7490990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1987}}^1$

素因数の和:2036

約数の個数: 32

約数和(自身を含む): 15029280

約数和(自身を除く): 7538290

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1885, 1987, 3770, 3974, 9935, 19870, 25831, 51662, 57623, 115246, 129155, 258310, 288115, 576230, 749099, 1498198, 3745495, 7490990]

約数ペア:

[(1, 7490990), (2, 3745495), (5, 1498198), (10, 749099), (13, 576230), (26, 288115), (29, 258310), (58, 129155), (65, 115246), (130, 57623), (145, 51662), (290, 25831), (377, 19870), (754, 9935), (1885, 3974), (1987, 3770)]