2018407640

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{338659}}^1$

素因数の和:338819

約数の個数: 32

約数和(自身を含む): 4571910000

約数和(自身を除く): 2553502360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1490, 2980, 5960, 338659, 677318, 1354636, 1693295, 2709272, 3386590, 6773180, 13546360, 50460191, 100920382, 201840764, 252300955, 403681528, 504601910, 1009203820, 2018407640]

約数ペア:

[(1, 2018407640), (2, 1009203820), (4, 504601910), (5, 403681528), (8, 252300955), (10, 201840764), (20, 100920382), (40, 50460191), (149, 13546360), (298, 6773180), (596, 3386590), (745, 2709272), (1192, 1693295), (1490, 1354636), (2980, 677318), (5960, 338659)]