2015159740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{213019}}^1$

素因数の和:213082

約数の個数: 48

約数和(自身を含む): 4723931520

約数和(自身を除く): 2708771780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 473, 860, 946, 1892, 2365, 4730, 9460, 213019, 426038, 852076, 1065095, 2130190, 2343209, 4260380, 4686418, 9159817, 9372836, 11716045, 18319634, 23432090, 36639268, 45799085, 46864180, 91598170, 100757987, 183196340, 201515974, 403031948, 503789935, 1007579870, 2015159740]

約数ペア:

[(1, 2015159740), (2, 1007579870), (4, 503789935), (5, 403031948), (10, 201515974), (11, 183196340), (20, 100757987), (22, 91598170), (43, 46864180), (44, 45799085), (55, 36639268), (86, 23432090), (110, 18319634), (172, 11716045), (215, 9372836), (220, 9159817), (430, 4686418), (473, 4260380), (860, 2343209), (946, 2130190), (1892, 1065095), (2365, 852076), (4730, 426038), (9460, 213019)]