309802220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:113

約数の個数: 288

約数和(自身を含む): 924241920

約数和(自身を除く): 614439700

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 17, 19, 20, 26, 28, 31, 34, 35, 38, 52, 62, 65, 68, 70, 76, 85, 91, 95, 119, 124, 130, 133, 140, 155, 170, 182, 190, 217, 221, 238, 247, 260, 266, 289, 310, 323, 340, 364, 380, 403, 434, 442, 455, 476, 494, 527, 532, 578, 589, 595, 620, 646, 665, 806, 868, 884, 910, 988, 1054, 1085, 1105, 1156, 1178, 1190, 1235, 1292, 1330, 1445, 1547, 1612, 1615, 1729, 1820, 2015, 2023, 2108, 2170, 2210, 2261, 2356, 2380, 2470, 2635, 2660, 2821, 2890, 2945, 3094, 3230, 3458, 3689, 3757, 4030, 4046, 4123, 4199, 4340, 4420, 4522, 4940, 5270, 5491, 5642, 5780, 5890, 6188, 6460, 6851, 6916, 7378, 7514, 7657, 7735, 8060, 8092, 8246, 8398, 8645, 8959, 9044, 10013, 10115, 10540, 10982, 11284, 11305, 11780, 13702, 14105, 14756, 15028, 15314, 15470, 16492, 16796, 17290, 17918, 18445, 18785, 20026, 20230, 20615, 20995, 21964, 22610, 26299, 27404, 27455, 28210, 29393, 30628, 30940, 34255, 34580, 35836, 36890, 37570, 38285, 38437, 40052, 40460, 41230, 41990, 44795, 45220, 47957, 50065, 52598, 53599, 54910, 56420, 58786, 62713, 68510, 70091, 71383, 73780, 75140, 76570, 76874, 82460, 83980, 89590, 95914, 100130, 105196, 107198, 109820, 116467, 117572, 125426, 130169, 131495, 137020, 140182, 142766, 146965, 153140, 153748, 170221, 179180, 191828, 192185, 200260, 214396, 232934, 239785, 250852, 260338, 262990, 267995, 280364, 285532, 293930, 313565, 340442, 350455, 356915, 384370, 465868, 479570, 499681, 520676, 525980, 535990, 582335, 587860, 627130, 650845, 680884, 700910, 713830, 768740, 815269, 851105, 911183, 959140, 999362, 1071980, 1164670, 1191547, 1254260, 1301690, 1401820, 1427660, 1630538, 1702210, 1822366, 1998724, 2212873, 2329340, 2383094, 2498405, 2603380, 3261076, 3404420, 3644732, 4076345, 4425746, 4555915, 4766188, 4996810, 5957735, 8152690, 8851492, 9111830, 9993620, 11064365, 11915470, 15490111, 16305380, 18223660, 22128730, 23830940, 30980222, 44257460, 61960444, 77450555, 154901110, 309802220]

約数ペア:

[(1, 309802220), (2, 154901110), (4, 77450555), (5, 61960444), (7, 44257460), (10, 30980222), (13, 23830940), (14, 22128730), (17, 18223660), (19, 16305380), (20, 15490111), (26, 11915470), (28, 11064365), (31, 9993620), (34, 9111830), (35, 8851492), (38, 8152690), (52, 5957735), (62, 4996810), (65, 4766188), (68, 4555915), (70, 4425746), (76, 4076345), (85, 3644732), (91, 3404420), (95, 3261076), (119, 2603380), (124, 2498405), (130, 2383094), (133, 2329340), (140, 2212873), (155, 1998724), (170, 1822366), (182, 1702210), (190, 1630538), (217, 1427660), (221, 1401820), (238, 1301690), (247, 1254260), (260, 1191547), (266, 1164670), (289, 1071980), (310, 999362), (323, 959140), (340, 911183), (364, 851105), (380, 815269), (403, 768740), (434, 713830), (442, 700910), (455, 680884), (476, 650845), (494, 627130), (527, 587860), (532, 582335), (578, 535990), (589, 525980), (595, 520676), (620, 499681), (646, 479570), (665, 465868), (806, 384370), (868, 356915), (884, 350455), (910, 340442), (988, 313565), (1054, 293930), (1085, 285532), (1105, 280364), (1156, 267995), (1178, 262990), (1190, 260338), (1235, 250852), (1292, 239785), (1330, 232934), (1445, 214396), (1547, 200260), (1612, 192185), (1615, 191828), (1729, 179180), (1820, 170221), (2015, 153748), (2023, 153140), (2108, 146965), (2170, 142766), (2210, 140182), (2261, 137020), (2356, 131495), (2380, 130169), (2470, 125426), (2635, 117572), (2660, 116467), (2821, 109820), (2890, 107198), (2945, 105196), (3094, 100130), (3230, 95914), (3458, 89590), (3689, 83980), (3757, 82460), (4030, 76874), (4046, 76570), (4123, 75140), (4199, 73780), (4340, 71383), (4420, 70091), (4522, 68510), (4940, 62713), (5270, 58786), (5491, 56420), (5642, 54910), (5780, 53599), (5890, 52598), (6188, 50065), (6460, 47957), (6851, 45220), (6916, 44795), (7378, 41990), (7514, 41230), (7657, 40460), (7735, 40052), (8060, 38437), (8092, 38285), (8246, 37570), (8398, 36890), (8645, 35836), (8959, 34580), (9044, 34255), (10013, 30940), (10115, 30628), (10540, 29393), (10982, 28210), (11284, 27455), (11305, 27404), (11780, 26299), (13702, 22610), (14105, 21964), (14756, 20995), (15028, 20615), (15314, 20230), (15470, 20026), (16492, 18785), (16796, 18445), (17290, 17918)]