213778870

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1\times {\mathrm{1427}}^1$

素因数の和:1716

約数の個数: 32

約数和(自身を含む): 392345856

約数和(自身を除く): 178566986

約数列:

[1, 2, 5, 10, 71, 142, 211, 355, 422, 710, 1055, 1427, 2110, 2854, 7135, 14270, 14981, 29962, 74905, 101317, 149810, 202634, 301097, 506585, 602194, 1013170, 1505485, 3010970, 21377887, 42755774, 106889435, 213778870]

約数ペア:

[(1, 213778870), (2, 106889435), (5, 42755774), (10, 21377887), (71, 3010970), (142, 1505485), (211, 1013170), (355, 602194), (422, 506585), (710, 301097), (1055, 202634), (1427, 149810), (2110, 101317), (2854, 74905), (7135, 29962), (14270, 14981)]