91995640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{419}}^1\times {\mathrm{499}}^1$

素因数の和:940

約数の個数: 64

約数和(自身を含む): 226800000

約数和(自身を除く): 134804360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 419, 440, 499, 838, 998, 1676, 1996, 2095, 2495, 3352, 3992, 4190, 4609, 4990, 5489, 8380, 9218, 9980, 10978, 16760, 18436, 19960, 21956, 23045, 27445, 36872, 43912, 46090, 54890, 92180, 109780, 184360, 209081, 219560, 418162, 836324, 1045405, 1672648, 2090810, 2299891, 4181620, 4599782, 8363240, 9199564, 11499455, 18399128, 22998910, 45997820, 91995640]

約数ペア:

[(1, 91995640), (2, 45997820), (4, 22998910), (5, 18399128), (8, 11499455), (10, 9199564), (11, 8363240), (20, 4599782), (22, 4181620), (40, 2299891), (44, 2090810), (55, 1672648), (88, 1045405), (110, 836324), (220, 418162), (419, 219560), (440, 209081), (499, 184360), (838, 109780), (998, 92180), (1676, 54890), (1996, 46090), (2095, 43912), (2495, 36872), (3352, 27445), (3992, 23045), (4190, 21956), (4609, 19960), (4990, 18436), (5489, 16760), (8380, 10978), (9218, 9980)]