501981920

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{1279}}^1$

素因数の和:1528

約数の個数: 96

約数和(自身を含む): 1300561920

約数和(自身を除く): 798580000

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 223, 352, 440, 446, 880, 892, 1115, 1279, 1760, 1784, 2230, 2453, 2558, 3568, 4460, 4906, 5116, 6395, 7136, 8920, 9812, 10232, 12265, 12790, 14069, 17840, 19624, 20464, 24530, 25580, 28138, 35680, 39248, 40928, 49060, 51160, 56276, 70345, 78496, 98120, 102320, 112552, 140690, 196240, 204640, 225104, 281380, 285217, 392480, 450208, 562760, 570434, 1125520, 1140868, 1426085, 2251040, 2281736, 2852170, 3137387, 4563472, 5704340, 6274774, 9126944, 11408680, 12549548, 15686935, 22817360, 25099096, 31373870, 45634720, 50198192, 62747740, 100396384, 125495480, 250990960, 501981920]

約数ペア:

[(1, 501981920), (2, 250990960), (4, 125495480), (5, 100396384), (8, 62747740), (10, 50198192), (11, 45634720), (16, 31373870), (20, 25099096), (22, 22817360), (32, 15686935), (40, 12549548), (44, 11408680), (55, 9126944), (80, 6274774), (88, 5704340), (110, 4563472), (160, 3137387), (176, 2852170), (220, 2281736), (223, 2251040), (352, 1426085), (440, 1140868), (446, 1125520), (880, 570434), (892, 562760), (1115, 450208), (1279, 392480), (1760, 285217), (1784, 281380), (2230, 225104), (2453, 204640), (2558, 196240), (3568, 140690), (4460, 112552), (4906, 102320), (5116, 98120), (6395, 78496), (7136, 70345), (8920, 56276), (9812, 51160), (10232, 49060), (12265, 40928), (12790, 39248), (14069, 35680), (17840, 28138), (19624, 25580), (20464, 24530)]