128499290

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1\times {\mathrm{1987}}^1$

素因数の和:2246

約数の個数: 32

約数和(自身を含む): 240468480

約数和(自身を除く): 111969190

約数列:

[1, 2, 5, 10, 29, 58, 145, 223, 290, 446, 1115, 1987, 2230, 3974, 6467, 9935, 12934, 19870, 32335, 57623, 64670, 115246, 288115, 443101, 576230, 886202, 2215505, 4431010, 12849929, 25699858, 64249645, 128499290]

約数ペア:

[(1, 128499290), (2, 64249645), (5, 25699858), (10, 12849929), (29, 4431010), (58, 2215505), (145, 886202), (223, 576230), (290, 443101), (446, 288115), (1115, 115246), (1987, 64670), (2230, 57623), (3974, 32335), (6467, 19870), (9935, 12934)]