398197580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{569}}^1\times {\mathrm{3181}}^1$

素因数の和:3770

約数の個数: 48

約数和(自身を含む): 914124960

約数和(自身を除く): 515927380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 569, 1138, 2276, 2845, 3181, 5690, 6259, 6362, 11380, 12518, 12724, 15905, 25036, 31295, 31810, 34991, 62590, 63620, 69982, 125180, 139964, 174955, 349910, 699820, 1809989, 3619978, 7239956, 9049945, 18099890, 19909879, 36199780, 39819758, 79639516, 99549395, 199098790, 398197580]

約数ペア:

[(1, 398197580), (2, 199098790), (4, 99549395), (5, 79639516), (10, 39819758), (11, 36199780), (20, 19909879), (22, 18099890), (44, 9049945), (55, 7239956), (110, 3619978), (220, 1809989), (569, 699820), (1138, 349910), (2276, 174955), (2845, 139964), (3181, 125180), (5690, 69982), (6259, 63620), (6362, 62590), (11380, 34991), (12518, 31810), (12724, 31295), (15905, 25036)]