408099290

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{10903}}^1$

素因数の和:11126

約数の個数: 32

約数和(自身を含む): 777237120

約数和(自身を除く): 369137830

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 197, 394, 985, 1970, 3743, 7486, 10903, 18715, 21806, 37430, 54515, 109030, 207157, 414314, 1035785, 2071570, 2147891, 4295782, 10739455, 21478910, 40809929, 81619858, 204049645, 408099290]

約数ペア:

[(1, 408099290), (2, 204049645), (5, 81619858), (10, 40809929), (19, 21478910), (38, 10739455), (95, 4295782), (190, 2147891), (197, 2071570), (394, 1035785), (985, 414314), (1970, 207157), (3743, 109030), (7486, 54515), (10903, 37430), (18715, 21806)]