1885280894660

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{199}}^1\times {\mathrm{409}}^1\times {\mathrm{5879}}^1$

素因数の和:6693

約数の個数: 96

約数和(自身を含む): 4009642560000

約数和(自身を除く): 2124361665340

約数列:

[1, 2, 4, 5, 10, 20, 197, 199, 394, 398, 409, 788, 796, 818, 985, 995, 1636, 1970, 1990, 2045, 3940, 3980, 4090, 5879, 8180, 11758, 23516, 29395, 39203, 58790, 78406, 80573, 81391, 117580, 156812, 161146, 162782, 196015, 322292, 325564, 392030, 402865, 406955, 784060, 805730, 813910, 1158163, 1169921, 1611460, 1627820, 2316326, 2339842, 2404511, 4632652, 4679684, 4809022, 5790815, 5849605, 9618044, 11581630, 11699210, 12022555, 16034027, 23163260, 23398420, 24045110, 32068054, 48090220, 64136108, 80170135, 160340270, 230474437, 320680540, 460948874, 473688667, 478497689, 921897748, 947377334, 956995378, 1152372185, 1894754668, 1913990756, 2304744370, 2368443335, 2392488445, 4609488740, 4736886670, 4784976890, 9473773340, 9569953780, 94264044733, 188528089466, 377056178932, 471320223665, 942640447330, 1885280894660]

約数ペア:

[(1, 1885280894660), (2, 942640447330), (4, 471320223665), (5, 377056178932), (10, 188528089466), (20, 94264044733), (197, 9569953780), (199, 9473773340), (394, 4784976890), (398, 4736886670), (409, 4609488740), (788, 2392488445), (796, 2368443335), (818, 2304744370), (985, 1913990756), (995, 1894754668), (1636, 1152372185), (1970, 956995378), (1990, 947377334), (2045, 921897748), (3940, 478497689), (3980, 473688667), (4090, 460948874), (5879, 320680540), (8180, 230474437), (11758, 160340270), (23516, 80170135), (29395, 64136108), (39203, 48090220), (58790, 32068054), (78406, 24045110), (80573, 23398420), (81391, 23163260), (117580, 16034027), (156812, 12022555), (161146, 11699210), (162782, 11581630), (196015, 9618044), (322292, 5849605), (325564, 5790815), (392030, 4809022), (402865, 4679684), (406955, 4632652), (784060, 2404511), (805730, 2339842), (813910, 2316326), (1158163, 1627820), (1169921, 1611460)]