280559620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{599}}^1\times {\mathrm{2129}}^1$

素因数の和:2748

約数の個数: 48

約数和(自身を含む): 644112000

約数和(自身を除く): 363552380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 599, 1198, 2129, 2396, 2995, 4258, 5990, 6589, 8516, 10645, 11980, 13178, 21290, 23419, 26356, 32945, 42580, 46838, 65890, 93676, 117095, 131780, 234190, 468380, 1275271, 2550542, 5101084, 6376355, 12752710, 14027981, 25505420, 28055962, 56111924, 70139905, 140279810, 280559620]

約数ペア:

[(1, 280559620), (2, 140279810), (4, 70139905), (5, 56111924), (10, 28055962), (11, 25505420), (20, 14027981), (22, 12752710), (44, 6376355), (55, 5101084), (110, 2550542), (220, 1275271), (599, 468380), (1198, 234190), (2129, 131780), (2396, 117095), (2995, 93676), (4258, 65890), (5990, 46838), (6589, 42580), (8516, 32945), (10645, 26356), (11980, 23419), (13178, 21290)]