9144740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{211}}^1$

素因数の和:428

約数の個数: 48

約数和(自身を含む): 21155904

約数和(自身を除く): 12011164

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 197, 211, 220, 394, 422, 788, 844, 985, 1055, 1970, 2110, 2167, 2321, 3940, 4220, 4334, 4642, 8668, 9284, 10835, 11605, 21670, 23210, 41567, 43340, 46420, 83134, 166268, 207835, 415670, 457237, 831340, 914474, 1828948, 2286185, 4572370, 9144740]

約数ペア:

[(1, 9144740), (2, 4572370), (4, 2286185), (5, 1828948), (10, 914474), (11, 831340), (20, 457237), (22, 415670), (44, 207835), (55, 166268), (110, 83134), (197, 46420), (211, 43340), (220, 41567), (394, 23210), (422, 21670), (788, 11605), (844, 10835), (985, 9284), (1055, 8668), (1970, 4642), (2110, 4334), (2167, 4220), (2321, 3940)]