20123499340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:325

約数の個数: 288

約数和(自身を含む): 52583731200

約数和(自身を除く): 32460231860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 49, 59, 62, 70, 98, 103, 109, 118, 124, 140, 155, 196, 206, 217, 218, 236, 245, 295, 310, 412, 413, 434, 436, 490, 515, 545, 590, 620, 721, 763, 826, 868, 980, 1030, 1085, 1090, 1180, 1442, 1519, 1526, 1652, 1829, 2060, 2065, 2170, 2180, 2884, 2891, 3038, 3052, 3193, 3379, 3605, 3658, 3815, 4130, 4340, 5047, 5341, 5782, 6076, 6077, 6386, 6431, 6758, 7210, 7316, 7595, 7630, 8260, 9145, 10094, 10682, 11227, 11564, 12154, 12772, 12803, 12862, 13516, 14420, 14455, 15190, 15260, 15965, 16895, 18290, 20188, 21364, 22351, 22454, 23653, 24308, 25235, 25606, 25724, 26705, 28910, 30380, 30385, 31930, 32155, 33790, 36580, 42539, 44702, 44908, 45017, 47306, 50470, 51212, 53410, 56135, 57820, 60770, 63860, 64015, 64310, 67580, 78589, 85078, 89404, 89621, 90034, 94612, 100940, 106820, 111755, 112270, 118265, 121540, 128030, 128620, 156457, 157178, 165571, 170156, 179242, 180068, 188387, 199361, 212695, 223510, 224540, 225085, 236530, 256060, 297773, 312914, 314356, 315119, 331142, 348037, 358484, 376774, 392945, 398722, 425390, 447020, 448105, 450170, 473060, 550123, 595546, 625828, 630238, 662284, 662393, 696074, 753548, 782285, 785890, 797444, 827855, 850780, 896210, 900340, 941935, 996805, 1100246, 1191092, 1260476, 1318709, 1324786, 1392148, 1395527, 1488865, 1564570, 1571780, 1575595, 1655710, 1740185, 1792420, 1883870, 1993610, 2200492, 2436259, 2637418, 2649572, 2750615, 2791054, 2977730, 3129140, 3151190, 3311420, 3311965, 3480370, 3767740, 3987220, 4636751, 4872518, 5274836, 5501230, 5582108, 5955460, 6302380, 6593545, 6623930, 6960740, 6977635, 9230963, 9273502, 9745036, 9768689, 11002460, 12181295, 13187090, 13247860, 13955270, 17053813, 18461926, 18547004, 19537378, 20534183, 23183755, 24362590, 26374180, 27910540, 32457257, 34107626, 36923852, 39074756, 41068366, 46154815, 46367510, 48725180, 48843445, 64914514, 68215252, 82136732, 85269065, 92309630, 92735020, 97686890, 102670915, 129829028, 143739281, 162286285, 170538130, 184619260, 195373780, 205341830, 287478562, 324572570, 341076260, 410683660, 574957124, 649145140, 718696405, 1006174967, 1437392810, 2012349934, 2874785620, 4024699868, 5030874835, 10061749670, 20123499340]

約数ペア:

[(1, 20123499340), (2, 10061749670), (4, 5030874835), (5, 4024699868), (7, 2874785620), (10, 2012349934), (14, 1437392810), (20, 1006174967), (28, 718696405), (31, 649145140), (35, 574957124), (49, 410683660), (59, 341076260), (62, 324572570), (70, 287478562), (98, 205341830), (103, 195373780), (109, 184619260), (118, 170538130), (124, 162286285), (140, 143739281), (155, 129829028), (196, 102670915), (206, 97686890), (217, 92735020), (218, 92309630), (236, 85269065), (245, 82136732), (295, 68215252), (310, 64914514), (412, 48843445), (413, 48725180), (434, 46367510), (436, 46154815), (490, 41068366), (515, 39074756), (545, 36923852), (590, 34107626), (620, 32457257), (721, 27910540), (763, 26374180), (826, 24362590), (868, 23183755), (980, 20534183), (1030, 19537378), (1085, 18547004), (1090, 18461926), (1180, 17053813), (1442, 13955270), (1519, 13247860), (1526, 13187090), (1652, 12181295), (1829, 11002460), (2060, 9768689), (2065, 9745036), (2170, 9273502), (2180, 9230963), (2884, 6977635), (2891, 6960740), (3038, 6623930), (3052, 6593545), (3193, 6302380), (3379, 5955460), (3605, 5582108), (3658, 5501230), (3815, 5274836), (4130, 4872518), (4340, 4636751), (5047, 3987220), (5341, 3767740), (5782, 3480370), (6076, 3311965), (6077, 3311420), (6386, 3151190), (6431, 3129140), (6758, 2977730), (7210, 2791054), (7316, 2750615), (7595, 2649572), (7630, 2637418), (8260, 2436259), (9145, 2200492), (10094, 1993610), (10682, 1883870), (11227, 1792420), (11564, 1740185), (12154, 1655710), (12772, 1575595), (12803, 1571780), (12862, 1564570), (13516, 1488865), (14420, 1395527), (14455, 1392148), (15190, 1324786), (15260, 1318709), (15965, 1260476), (16895, 1191092), (18290, 1100246), (20188, 996805), (21364, 941935), (22351, 900340), (22454, 896210), (23653, 850780), (24308, 827855), (25235, 797444), (25606, 785890), (25724, 782285), (26705, 753548), (28910, 696074), (30380, 662393), (30385, 662284), (31930, 630238), (32155, 625828), (33790, 595546), (36580, 550123), (42539, 473060), (44702, 450170), (44908, 448105), (45017, 447020), (47306, 425390), (50470, 398722), (51212, 392945), (53410, 376774), (56135, 358484), (57820, 348037), (60770, 331142), (63860, 315119), (64015, 314356), (64310, 312914), (67580, 297773), (78589, 256060), (85078, 236530), (89404, 225085), (89621, 224540), (90034, 223510), (94612, 212695), (100940, 199361), (106820, 188387), (111755, 180068), (112270, 179242), (118265, 170156), (121540, 165571), (128030, 157178), (128620, 156457)]