100275640

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^2\times {\mathrm{211}}^1$

素因数の和:440

約数の個数: 48

約数和(自身を含む): 228788280

約数和(自身を除く): 128512640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 211, 218, 422, 436, 545, 844, 872, 1055, 1090, 1688, 2110, 2180, 4220, 4360, 8440, 11881, 22999, 23762, 45998, 47524, 59405, 91996, 95048, 114995, 118810, 183992, 229990, 237620, 459980, 475240, 919960, 2506891, 5013782, 10027564, 12534455, 20055128, 25068910, 50137820, 100275640]

約数ペア:

[(1, 100275640), (2, 50137820), (4, 25068910), (5, 20055128), (8, 12534455), (10, 10027564), (20, 5013782), (40, 2506891), (109, 919960), (211, 475240), (218, 459980), (422, 237620), (436, 229990), (545, 183992), (844, 118810), (872, 114995), (1055, 95048), (1090, 91996), (1688, 59405), (2110, 47524), (2180, 45998), (4220, 23762), (4360, 22999), (8440, 11881)]