181299280

素因数分解:

$2^4\times 5^1\times {\mathrm{617}}^1\times {\mathrm{3673}}^1$

素因数の和:4303

約数の個数: 40

約数和(自身を含む): 422318952

約数和(自身を除く): 241019672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 617, 1234, 2468, 3085, 3673, 4936, 6170, 7346, 9872, 12340, 14692, 18365, 24680, 29384, 36730, 49360, 58768, 73460, 146920, 293840, 2266241, 4532482, 9064964, 11331205, 18129928, 22662410, 36259856, 45324820, 90649640, 181299280]

約数ペア:

[(1, 181299280), (2, 90649640), (4, 45324820), (5, 36259856), (8, 22662410), (10, 18129928), (16, 11331205), (20, 9064964), (40, 4532482), (80, 2266241), (617, 293840), (1234, 146920), (2468, 73460), (3085, 58768), (3673, 49360), (4936, 36730), (6170, 29384), (7346, 24680), (9872, 18365), (12340, 14692)]