1881230

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{499}}^1$

素因数の和:548

約数の個数: 32

約数和(自身を含む): 3780000

約数和(自身を除く): 1898770

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 499, 754, 998, 1885, 2495, 3770, 4990, 6487, 12974, 14471, 28942, 32435, 64870, 72355, 144710, 188123, 376246, 940615, 1881230]

約数ペア:

[(1, 1881230), (2, 940615), (5, 376246), (10, 188123), (13, 144710), (26, 72355), (29, 64870), (58, 32435), (65, 28942), (130, 14471), (145, 12974), (290, 6487), (377, 4990), (499, 3770), (754, 2495), (998, 1885)]