211173820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1571}}^1$

素因数の和:1651

約数の個数: 96

約数和(自身を含む): 532417536

約数和(自身を除く): 321243716

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 47, 52, 55, 65, 94, 110, 130, 143, 188, 220, 235, 260, 286, 470, 517, 572, 611, 715, 940, 1034, 1222, 1430, 1571, 2068, 2444, 2585, 2860, 3055, 3142, 5170, 6110, 6284, 6721, 7855, 10340, 12220, 13442, 15710, 17281, 20423, 26884, 31420, 33605, 34562, 40846, 67210, 69124, 73837, 81692, 86405, 102115, 134420, 147674, 172810, 204230, 224653, 295348, 345620, 369185, 408460, 449306, 738370, 812207, 898612, 959881, 1123265, 1476740, 1624414, 1919762, 2246530, 3248828, 3839524, 4061035, 4493060, 4799405, 8122070, 9598810, 10558691, 16244140, 19197620, 21117382, 42234764, 52793455, 105586910, 211173820]

約数ペア:

[(1, 211173820), (2, 105586910), (4, 52793455), (5, 42234764), (10, 21117382), (11, 19197620), (13, 16244140), (20, 10558691), (22, 9598810), (26, 8122070), (44, 4799405), (47, 4493060), (52, 4061035), (55, 3839524), (65, 3248828), (94, 2246530), (110, 1919762), (130, 1624414), (143, 1476740), (188, 1123265), (220, 959881), (235, 898612), (260, 812207), (286, 738370), (470, 449306), (517, 408460), (572, 369185), (611, 345620), (715, 295348), (940, 224653), (1034, 204230), (1222, 172810), (1430, 147674), (1571, 134420), (2068, 102115), (2444, 86405), (2585, 81692), (2860, 73837), (3055, 69124), (3142, 67210), (5170, 40846), (6110, 34562), (6284, 33605), (6721, 31420), (7855, 26884), (10340, 20423), (12220, 17281), (13442, 15710)]