99899900

素因数分解:

$2^2\times 5^2\times {\mathrm{179}}^1\times {\mathrm{5581}}^1$

素因数の和:5774

約数の個数: 36

約数和(自身を含む): 218032920

約数和(自身を除く): 118133020

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 179, 358, 716, 895, 1790, 3580, 4475, 5581, 8950, 11162, 17900, 22324, 27905, 55810, 111620, 139525, 279050, 558100, 998999, 1997998, 3995996, 4994995, 9989990, 19979980, 24974975, 49949950, 99899900]

約数ペア:

[(1, 99899900), (2, 49949950), (4, 24974975), (5, 19979980), (10, 9989990), (20, 4994995), (25, 3995996), (50, 1997998), (100, 998999), (179, 558100), (358, 279050), (716, 139525), (895, 111620), (1790, 55810), (3580, 27905), (4475, 22324), (5581, 17900), (8950, 11162)]