2040496450

素因数分解:

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

素因数の和:11131

約数の個数: 48

約数和(自身を含む): 4015725120

約数和(自身を除く): 1975228670

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 197, 394, 475, 950, 985, 1970, 3743, 4925, 7486, 9850, 10903, 18715, 21806, 37430, 54515, 93575, 109030, 187150, 207157, 272575, 414314, 545150, 1035785, 2071570, 2147891, 4295782, 5178925, 10357850, 10739455, 21478910, 40809929, 53697275, 81619858, 107394550, 204049645, 408099290, 1020248225, 2040496450]

約数ペア:

[(1, 2040496450), (2, 1020248225), (5, 408099290), (10, 204049645), (19, 107394550), (25, 81619858), (38, 53697275), (50, 40809929), (95, 21478910), (190, 10739455), (197, 10357850), (394, 5178925), (475, 4295782), (950, 2147891), (985, 2071570), (1970, 1035785), (3743, 545150), (4925, 414314), (7486, 272575), (9850, 207157), (10903, 187150), (18715, 109030), (21806, 93575), (37430, 54515)]