290387620

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{308923}}^1$

素因数の和:308979

約数の個数: 24

約数和(自身を含む): 622790784

約数和(自身を除く): 332403164

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 308923, 617846, 1235692, 1544615, 3089230, 6178460, 14519381, 29038762, 58077524, 72596905, 145193810, 290387620]

約数ペア:

[(1, 290387620), (2, 145193810), (4, 72596905), (5, 58077524), (10, 29038762), (20, 14519381), (47, 6178460), (94, 3089230), (188, 1544615), (235, 1235692), (470, 617846), (940, 308923)]