85685140

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{241}}^1\times {\mathrm{613}}^1$

素因数の和:892

約数の個数: 48

約数和(自身を含む): 187220880

約数和(自身を除く): 101535740

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 241, 290, 482, 580, 613, 964, 1205, 1226, 2410, 2452, 3065, 4820, 6130, 6989, 12260, 13978, 17777, 27956, 34945, 35554, 69890, 71108, 88885, 139780, 147733, 177770, 295466, 355540, 590932, 738665, 1477330, 2954660, 4284257, 8568514, 17137028, 21421285, 42842570, 85685140]

約数ペア:

[(1, 85685140), (2, 42842570), (4, 21421285), (5, 17137028), (10, 8568514), (20, 4284257), (29, 2954660), (58, 1477330), (116, 738665), (145, 590932), (241, 355540), (290, 295466), (482, 177770), (580, 147733), (613, 139780), (964, 88885), (1205, 71108), (1226, 69890), (2410, 35554), (2452, 34945), (3065, 27956), (4820, 17777), (6130, 13978), (6989, 12260)]