29577980

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{211}}^1$

素因数の和:426

約数の個数: 48

約数和(自身を含む): 64251264

約数和(自身を除く): 34673284

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 163, 172, 211, 215, 326, 422, 430, 652, 815, 844, 860, 1055, 1630, 2110, 3260, 4220, 7009, 9073, 14018, 18146, 28036, 34393, 35045, 36292, 45365, 68786, 70090, 90730, 137572, 140180, 171965, 181460, 343930, 687860, 1478899, 2957798, 5915596, 7394495, 14788990, 29577980]

約数ペア:

[(1, 29577980), (2, 14788990), (4, 7394495), (5, 5915596), (10, 2957798), (20, 1478899), (43, 687860), (86, 343930), (163, 181460), (172, 171965), (211, 140180), (215, 137572), (326, 90730), (422, 70090), (430, 68786), (652, 45365), (815, 36292), (844, 35045), (860, 34393), (1055, 28036), (1630, 18146), (2110, 14018), (3260, 9073), (4220, 7009)]