649308400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:204

約数の個数: 240

約数和(自身を含む): 1801759680

約数和(自身を除く): 1152451280

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 25, 26, 40, 46, 50, 52, 61, 65, 80, 89, 92, 100, 104, 115, 122, 130, 178, 184, 200, 208, 230, 244, 260, 299, 305, 325, 356, 368, 400, 445, 460, 488, 520, 575, 598, 610, 650, 712, 793, 890, 920, 976, 1040, 1150, 1157, 1196, 1220, 1300, 1403, 1424, 1495, 1525, 1586, 1780, 1840, 2047, 2225, 2300, 2314, 2392, 2440, 2600, 2806, 2990, 3050, 3172, 3560, 3965, 4094, 4450, 4600, 4628, 4784, 4880, 5200, 5429, 5612, 5785, 5980, 6100, 6344, 7015, 7120, 7475, 7930, 8188, 8900, 9200, 9256, 10235, 10858, 11224, 11570, 11960, 12200, 12688, 14030, 14950, 15860, 16376, 17800, 18239, 18512, 19825, 20470, 21716, 22448, 23140, 23920, 24400, 26611, 27145, 28060, 28925, 29900, 31720, 32752, 35075, 35600, 36478, 39650, 40940, 43432, 46280, 51175, 53222, 54290, 56120, 57850, 59800, 63440, 70150, 70577, 72956, 79300, 81880, 86864, 91195, 92560, 102350, 106444, 108580, 112240, 115700, 119600, 124867, 133055, 135725, 140300, 141154, 145912, 158600, 163760, 182390, 204700, 212888, 217160, 231400, 249734, 266110, 271450, 280600, 282308, 291824, 317200, 352885, 364780, 409400, 425776, 434320, 455975, 462800, 499468, 532220, 542900, 561200, 564616, 624335, 665275, 705770, 729560, 818800, 911950, 998936, 1064440, 1085800, 1129232, 1248670, 1330550, 1411540, 1459120, 1623271, 1764425, 1823900, 1997872, 2128880, 2171600, 2497340, 2661100, 2823080, 3121675, 3246542, 3528850, 3647800, 4994680, 5322200, 5646160, 6243350, 6493084, 7057700, 7295600, 8116355, 9989360, 10644400, 12486700, 12986168, 14115400, 16232710, 24973400, 25972336, 28230800, 32465420, 40581775, 49946800, 64930840, 81163550, 129861680, 162327100, 324654200, 649308400]

約数ペア:

[(1, 649308400), (2, 324654200), (4, 162327100), (5, 129861680), (8, 81163550), (10, 64930840), (13, 49946800), (16, 40581775), (20, 32465420), (23, 28230800), (25, 25972336), (26, 24973400), (40, 16232710), (46, 14115400), (50, 12986168), (52, 12486700), (61, 10644400), (65, 9989360), (80, 8116355), (89, 7295600), (92, 7057700), (100, 6493084), (104, 6243350), (115, 5646160), (122, 5322200), (130, 4994680), (178, 3647800), (184, 3528850), (200, 3246542), (208, 3121675), (230, 2823080), (244, 2661100), (260, 2497340), (299, 2171600), (305, 2128880), (325, 1997872), (356, 1823900), (368, 1764425), (400, 1623271), (445, 1459120), (460, 1411540), (488, 1330550), (520, 1248670), (575, 1129232), (598, 1085800), (610, 1064440), (650, 998936), (712, 911950), (793, 818800), (890, 729560), (920, 705770), (976, 665275), (1040, 624335), (1150, 564616), (1157, 561200), (1196, 542900), (1220, 532220), (1300, 499468), (1403, 462800), (1424, 455975), (1495, 434320), (1525, 425776), (1586, 409400), (1780, 364780), (1840, 352885), (2047, 317200), (2225, 291824), (2300, 282308), (2314, 280600), (2392, 271450), (2440, 266110), (2600, 249734), (2806, 231400), (2990, 217160), (3050, 212888), (3172, 204700), (3560, 182390), (3965, 163760), (4094, 158600), (4450, 145912), (4600, 141154), (4628, 140300), (4784, 135725), (4880, 133055), (5200, 124867), (5429, 119600), (5612, 115700), (5785, 112240), (5980, 108580), (6100, 106444), (6344, 102350), (7015, 92560), (7120, 91195), (7475, 86864), (7930, 81880), (8188, 79300), (8900, 72956), (9200, 70577), (9256, 70150), (10235, 63440), (10858, 59800), (11224, 57850), (11570, 56120), (11960, 54290), (12200, 53222), (12688, 51175), (14030, 46280), (14950, 43432), (15860, 40940), (16376, 39650), (17800, 36478), (18239, 35600), (18512, 35075), (19825, 32752), (20470, 31720), (21716, 29900), (22448, 28925), (23140, 28060), (23920, 27145), (24400, 26611)]