69387340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{1601}}^1$

素因数の和:1818

約数の個数: 48

約数和(自身を含む): 159866784

約数和(自身を除く): 90479444

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 197, 220, 394, 788, 985, 1601, 1970, 2167, 3202, 3940, 4334, 6404, 8005, 8668, 10835, 16010, 17611, 21670, 32020, 35222, 43340, 70444, 88055, 176110, 315397, 352220, 630794, 1261588, 1576985, 3153970, 3469367, 6307940, 6938734, 13877468, 17346835, 34693670, 69387340]

約数ペア:

[(1, 69387340), (2, 34693670), (4, 17346835), (5, 13877468), (10, 6938734), (11, 6307940), (20, 3469367), (22, 3153970), (44, 1576985), (55, 1261588), (110, 630794), (197, 352220), (220, 315397), (394, 176110), (788, 88055), (985, 70444), (1601, 43340), (1970, 35222), (2167, 32020), (3202, 21670), (3940, 17611), (4334, 16010), (6404, 10835), (8005, 8668)]