74976740

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{163}}^1\times {\mathrm{211}}^1$

素因数の和:492

約数の個数: 48

約数和(自身を含む): 160628160

約数和(自身を除く): 85651420

約数列:

[1, 2, 4, 5, 10, 20, 109, 163, 211, 218, 326, 422, 436, 545, 652, 815, 844, 1055, 1090, 1630, 2110, 2180, 3260, 4220, 17767, 22999, 34393, 35534, 45998, 68786, 71068, 88835, 91996, 114995, 137572, 171965, 177670, 229990, 343930, 355340, 459980, 687860, 3748837, 7497674, 14995348, 18744185, 37488370, 74976740]

約数ペア:

[(1, 74976740), (2, 37488370), (4, 18744185), (5, 14995348), (10, 7497674), (20, 3748837), (109, 687860), (163, 459980), (211, 355340), (218, 343930), (326, 229990), (422, 177670), (436, 171965), (545, 137572), (652, 114995), (815, 91996), (844, 88835), (1055, 71068), (1090, 68786), (1630, 45998), (2110, 35534), (2180, 34393), (3260, 22999), (4220, 17767)]