857713307780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{211}}^1\times {\mathrm{1483}}^1\times {\mathrm{2797}}^1$

素因数の和:4514

約数の個数: 144

約数和(自身を含む): 2107374002496

約数和(自身を除く): 1249660694716

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 211, 245, 422, 490, 844, 980, 1055, 1477, 1483, 2110, 2797, 2954, 2966, 4220, 5594, 5908, 5932, 7385, 7415, 10339, 10381, 11188, 13985, 14770, 14830, 19579, 20678, 20762, 27970, 29540, 29660, 39158, 41356, 41524, 51695, 51905, 55940, 72667, 78316, 97895, 103390, 103810, 137053, 145334, 195790, 206780, 207620, 274106, 290668, 312913, 363335, 391580, 548212, 590167, 625826, 685265, 726670, 1180334, 1251652, 1370530, 1453340, 1564565, 2190391, 2360668, 2741060, 2950835, 3129130, 4131169, 4147951, 4380782, 5901670, 6258260, 8262338, 8295902, 8761564, 10951955, 11803340, 15332737, 16524676, 16591804, 20655845, 20739755, 21903910, 28918183, 29035657, 30665474, 41311690, 41479510, 43807820, 57836366, 58071314, 61330948, 76663685, 82623380, 82959020, 115672732, 116142628, 144590915, 145178285, 153327370, 203249599, 289181830, 290356570, 306654740, 406499198, 578363660, 580713140, 812998396, 875217661, 1016247995, 1750435322, 2032495990, 3500870644, 4064991980, 4376088305, 6126523627, 8752176610, 12253047254, 17504353220, 24506094508, 30632618135, 42885665389, 61265236270, 85771330778, 122530472540, 171542661556, 214428326945, 428856653890, 857713307780]

約数ペア:

[(1, 857713307780), (2, 428856653890), (4, 214428326945), (5, 171542661556), (7, 122530472540), (10, 85771330778), (14, 61265236270), (20, 42885665389), (28, 30632618135), (35, 24506094508), (49, 17504353220), (70, 12253047254), (98, 8752176610), (140, 6126523627), (196, 4376088305), (211, 4064991980), (245, 3500870644), (422, 2032495990), (490, 1750435322), (844, 1016247995), (980, 875217661), (1055, 812998396), (1477, 580713140), (1483, 578363660), (2110, 406499198), (2797, 306654740), (2954, 290356570), (2966, 289181830), (4220, 203249599), (5594, 153327370), (5908, 145178285), (5932, 144590915), (7385, 116142628), (7415, 115672732), (10339, 82959020), (10381, 82623380), (11188, 76663685), (13985, 61330948), (14770, 58071314), (14830, 57836366), (19579, 43807820), (20678, 41479510), (20762, 41311690), (27970, 30665474), (29540, 29035657), (29660, 28918183), (39158, 21903910), (41356, 20739755), (41524, 20655845), (51695, 16591804), (51905, 16524676), (55940, 15332737), (72667, 11803340), (78316, 10951955), (97895, 8761564), (103390, 8295902), (103810, 8262338), (137053, 6258260), (145334, 5901670), (195790, 4380782), (206780, 4147951), (207620, 4131169), (274106, 3129130), (290668, 2950835), (312913, 2741060), (363335, 2360668), (391580, 2190391), (548212, 1564565), (590167, 1453340), (625826, 1370530), (685265, 1251652), (726670, 1180334)]