378596020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{7717}}^1$

素因数の和:7960

約数の個数: 48

約数和(自身を含む): 871331328

約数和(自身を除く): 492735308

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 223, 446, 892, 1115, 2230, 2453, 4460, 4906, 7717, 9812, 12265, 15434, 24530, 30868, 38585, 49060, 77170, 84887, 154340, 169774, 339548, 424435, 848870, 1697740, 1720891, 3441782, 6883564, 8604455, 17208910, 18929801, 34417820, 37859602, 75719204, 94649005, 189298010, 378596020]

約数ペア:

[(1, 378596020), (2, 189298010), (4, 94649005), (5, 75719204), (10, 37859602), (11, 34417820), (20, 18929801), (22, 17208910), (44, 8604455), (55, 6883564), (110, 3441782), (220, 1720891), (223, 1697740), (446, 848870), (892, 424435), (1115, 339548), (2230, 169774), (2453, 154340), (4460, 84887), (4906, 77170), (7717, 49060), (9812, 38585), (12265, 30868), (15434, 24530)]