201951640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{458981}}^1$

素因数の和:459003

約数の個数: 32

約数和(自身を含む): 495700560

約数和(自身を除く): 293748920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 458981, 917962, 1835924, 2294905, 3671848, 4589810, 5048791, 9179620, 10097582, 18359240, 20195164, 25243955, 40390328, 50487910, 100975820, 201951640]

約数ペア:

[(1, 201951640), (2, 100975820), (4, 50487910), (5, 40390328), (8, 25243955), (10, 20195164), (11, 18359240), (20, 10097582), (22, 9179620), (40, 5048791), (44, 4589810), (55, 3671848), (88, 2294905), (110, 1835924), (220, 917962), (440, 458981)]