99897820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23899}}^1$

素因数の和:23938

約数の個数: 48

約数和(自身を含む): 240912000

約数和(自身を除く): 141014180

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 23899, 47798, 95596, 119495, 238990, 262889, 454081, 477980, 525778, 908162, 1051556, 1314445, 1816324, 2270405, 2628890, 4540810, 4994891, 5257780, 9081620, 9989782, 19979564, 24974455, 49948910, 99897820]

約数ペア:

[(1, 99897820), (2, 49948910), (4, 24974455), (5, 19979564), (10, 9989782), (11, 9081620), (19, 5257780), (20, 4994891), (22, 4540810), (38, 2628890), (44, 2270405), (55, 1816324), (76, 1314445), (95, 1051556), (110, 908162), (190, 525778), (209, 477980), (220, 454081), (380, 262889), (418, 238990), (836, 119495), (1045, 95596), (2090, 47798), (4180, 23899)]