3553220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{521}}^1$

素因数の和:572

約数の個数: 48

約数和(自身を含む): 8418816

約数和(自身を除く): 4865596

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 521, 620, 682, 1042, 1364, 1705, 2084, 2605, 3410, 5210, 5731, 6820, 10420, 11462, 16151, 22924, 28655, 32302, 57310, 64604, 80755, 114620, 161510, 177661, 323020, 355322, 710644, 888305, 1776610, 3553220]

約数ペア:

[(1, 3553220), (2, 1776610), (4, 888305), (5, 710644), (10, 355322), (11, 323020), (20, 177661), (22, 161510), (31, 114620), (44, 80755), (55, 64604), (62, 57310), (110, 32302), (124, 28655), (155, 22924), (220, 16151), (310, 11462), (341, 10420), (521, 6820), (620, 5731), (682, 5210), (1042, 3410), (1364, 2605), (1705, 2084)]