8221870

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{397}}^1$

素因数の和:532

約数の個数: 32

約数和(自身を含む): 15760800

約数和(自身を除く): 7538930

約数列:

[1, 2, 5, 10, 19, 38, 95, 109, 190, 218, 397, 545, 794, 1090, 1985, 2071, 3970, 4142, 7543, 10355, 15086, 20710, 37715, 43273, 75430, 86546, 216365, 432730, 822187, 1644374, 4110935, 8221870]

約数ペア:

[(1, 8221870), (2, 4110935), (5, 1644374), (10, 822187), (19, 432730), (38, 216365), (95, 86546), (109, 75430), (190, 43273), (218, 37715), (397, 20710), (545, 15086), (794, 10355), (1090, 7543), (1985, 4142), (2071, 3970)]