18218996900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{491}}^1$

素因数の和:631

約数の個数: 288

約数和(自身を含む): 47782441728

約数和(自身を除く): 29563444828

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 23, 25, 26, 34, 46, 50, 52, 65, 68, 73, 85, 92, 100, 115, 130, 146, 170, 221, 230, 260, 292, 299, 325, 340, 365, 391, 425, 442, 460, 491, 575, 598, 650, 730, 782, 850, 884, 949, 982, 1105, 1150, 1196, 1241, 1300, 1460, 1495, 1564, 1679, 1700, 1825, 1898, 1955, 1964, 2210, 2300, 2455, 2482, 2990, 3358, 3650, 3796, 3910, 4420, 4745, 4910, 4964, 5083, 5525, 5980, 6205, 6383, 6716, 7300, 7475, 7820, 8347, 8395, 9490, 9775, 9820, 10166, 11050, 11293, 12275, 12410, 12766, 14950, 16133, 16694, 16790, 18980, 19550, 20332, 21827, 22100, 22586, 23725, 24550, 24820, 25415, 25532, 28543, 29900, 31025, 31915, 32266, 33388, 33580, 35843, 39100, 41735, 41975, 43654, 45172, 47450, 49100, 50830, 56465, 57086, 62050, 63830, 64532, 71686, 80665, 83470, 83950, 87308, 94900, 101660, 108511, 109135, 112930, 114172, 124100, 127075, 127660, 142715, 143372, 146809, 159575, 161330, 166940, 167900, 179215, 191981, 208675, 217022, 218270, 225860, 254150, 282325, 285430, 293618, 319150, 322660, 358430, 371059, 383962, 403325, 417350, 434044, 436540, 465959, 508300, 542555, 545675, 564650, 570860, 587236, 609331, 638300, 713575, 716860, 734045, 742118, 767924, 806650, 824389, 834700, 896075, 931918, 959905, 1085110, 1091350, 1129300, 1218662, 1427150, 1468090, 1484236, 1613300, 1648778, 1792150, 1855295, 1863836, 1919810, 2170220, 2182700, 2329795, 2437324, 2495753, 2712775, 2854300, 2936180, 3046655, 3297556, 3584300, 3670225, 3710590, 3839620, 4121945, 4659590, 4799525, 4991506, 5425550, 6093310, 7340450, 7421180, 7921303, 8243890, 9276475, 9319180, 9599050, 9983012, 10717057, 10851100, 11648975, 12186620, 12478765, 14014613, 14680900, 15233275, 15842606, 16487780, 18552950, 19198100, 20609725, 21434114, 23297950, 24957530, 28029226, 30466550, 31685212, 37105900, 39606515, 41219450, 42868228, 46595900, 49915060, 53585285, 56058452, 60933100, 62393825, 70073065, 79213030, 82438900, 107170570, 124787650, 140146130, 158426060, 182189969, 198032575, 214341140, 249575300, 267926425, 280292260, 350365325, 364379938, 396065150, 535852850, 700730650, 728759876, 792130300, 910949845, 1071705700, 1401461300, 1821899690, 3643799380, 4554749225, 9109498450, 18218996900]

約数ペア:

[(1, 18218996900), (2, 9109498450), (4, 4554749225), (5, 3643799380), (10, 1821899690), (13, 1401461300), (17, 1071705700), (20, 910949845), (23, 792130300), (25, 728759876), (26, 700730650), (34, 535852850), (46, 396065150), (50, 364379938), (52, 350365325), (65, 280292260), (68, 267926425), (73, 249575300), (85, 214341140), (92, 198032575), (100, 182189969), (115, 158426060), (130, 140146130), (146, 124787650), (170, 107170570), (221, 82438900), (230, 79213030), (260, 70073065), (292, 62393825), (299, 60933100), (325, 56058452), (340, 53585285), (365, 49915060), (391, 46595900), (425, 42868228), (442, 41219450), (460, 39606515), (491, 37105900), (575, 31685212), (598, 30466550), (650, 28029226), (730, 24957530), (782, 23297950), (850, 21434114), (884, 20609725), (949, 19198100), (982, 18552950), (1105, 16487780), (1150, 15842606), (1196, 15233275), (1241, 14680900), (1300, 14014613), (1460, 12478765), (1495, 12186620), (1564, 11648975), (1679, 10851100), (1700, 10717057), (1825, 9983012), (1898, 9599050), (1955, 9319180), (1964, 9276475), (2210, 8243890), (2300, 7921303), (2455, 7421180), (2482, 7340450), (2990, 6093310), (3358, 5425550), (3650, 4991506), (3796, 4799525), (3910, 4659590), (4420, 4121945), (4745, 3839620), (4910, 3710590), (4964, 3670225), (5083, 3584300), (5525, 3297556), (5980, 3046655), (6205, 2936180), (6383, 2854300), (6716, 2712775), (7300, 2495753), (7475, 2437324), (7820, 2329795), (8347, 2182700), (8395, 2170220), (9490, 1919810), (9775, 1863836), (9820, 1855295), (10166, 1792150), (11050, 1648778), (11293, 1613300), (12275, 1484236), (12410, 1468090), (12766, 1427150), (14950, 1218662), (16133, 1129300), (16694, 1091350), (16790, 1085110), (18980, 959905), (19550, 931918), (20332, 896075), (21827, 834700), (22100, 824389), (22586, 806650), (23725, 767924), (24550, 742118), (24820, 734045), (25415, 716860), (25532, 713575), (28543, 638300), (29900, 609331), (31025, 587236), (31915, 570860), (32266, 564650), (33388, 545675), (33580, 542555), (35843, 508300), (39100, 465959), (41735, 436540), (41975, 434044), (43654, 417350), (45172, 403325), (47450, 383962), (49100, 371059), (50830, 358430), (56465, 322660), (57086, 319150), (62050, 293618), (63830, 285430), (64532, 282325), (71686, 254150), (80665, 225860), (83470, 218270), (83950, 217022), (87308, 208675), (94900, 191981), (101660, 179215), (108511, 167900), (109135, 166940), (112930, 161330), (114172, 159575), (124100, 146809), (127075, 143372), (127660, 142715)]