85343540

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{557}}^1$

素因数の和:776

約数の個数: 48

約数和(自身を含む): 184488192

約数和(自身を除く): 99144652

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 163, 188, 235, 326, 470, 557, 652, 815, 940, 1114, 1630, 2228, 2785, 3260, 5570, 7661, 11140, 15322, 26179, 30644, 38305, 52358, 76610, 90791, 104716, 130895, 153220, 181582, 261790, 363164, 453955, 523580, 907910, 1815820, 4267177, 8534354, 17068708, 21335885, 42671770, 85343540]

約数ペア:

[(1, 85343540), (2, 42671770), (4, 21335885), (5, 17068708), (10, 8534354), (20, 4267177), (47, 1815820), (94, 907910), (163, 523580), (188, 453955), (235, 363164), (326, 261790), (470, 181582), (557, 153220), (652, 130895), (815, 104716), (940, 90791), (1114, 76610), (1630, 52358), (2228, 38305), (2785, 30644), (3260, 26179), (5570, 15322), (7661, 11140)]