1901009740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{5261}}^1$

素因数の和:5395

約数の個数: 96

約数和(自身を含む): 4773686400

約数和(自身を除く): 2872676660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 89, 116, 140, 145, 178, 203, 290, 356, 406, 445, 580, 623, 812, 890, 1015, 1246, 1780, 2030, 2492, 2581, 3115, 4060, 5162, 5261, 6230, 10324, 10522, 12460, 12905, 18067, 21044, 25810, 26305, 36134, 36827, 51620, 52610, 72268, 73654, 90335, 105220, 147308, 152569, 180670, 184135, 305138, 361340, 368270, 468229, 610276, 736540, 762845, 936458, 1067983, 1525690, 1872916, 2135966, 2341145, 3051380, 3277603, 4271932, 4682290, 5339915, 6555206, 9364580, 10679830, 13110412, 13578641, 16388015, 21359660, 27157282, 32776030, 54314564, 65552060, 67893205, 95050487, 135786410, 190100974, 271572820, 380201948, 475252435, 950504870, 1901009740]

約数ペア:

[(1, 1901009740), (2, 950504870), (4, 475252435), (5, 380201948), (7, 271572820), (10, 190100974), (14, 135786410), (20, 95050487), (28, 67893205), (29, 65552060), (35, 54314564), (58, 32776030), (70, 27157282), (89, 21359660), (116, 16388015), (140, 13578641), (145, 13110412), (178, 10679830), (203, 9364580), (290, 6555206), (356, 5339915), (406, 4682290), (445, 4271932), (580, 3277603), (623, 3051380), (812, 2341145), (890, 2135966), (1015, 1872916), (1246, 1525690), (1780, 1067983), (2030, 936458), (2492, 762845), (2581, 736540), (3115, 610276), (4060, 468229), (5162, 368270), (5261, 361340), (6230, 305138), (10324, 184135), (10522, 180670), (12460, 152569), (12905, 147308), (18067, 105220), (21044, 90335), (25810, 73654), (26305, 72268), (36134, 52610), (36827, 51620)]