30805220

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{6907}}^1$

素因数の和:7139

約数の個数: 24

約数和(自身を含む): 64990464

約数和(自身を除く): 34185244

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 2230, 4460, 6907, 13814, 27628, 34535, 69070, 138140, 1540261, 3080522, 6161044, 7701305, 15402610, 30805220]

約数ペア:

[(1, 30805220), (2, 15402610), (4, 7701305), (5, 6161044), (10, 3080522), (20, 1540261), (223, 138140), (446, 69070), (892, 34535), (1115, 27628), (2230, 13814), (4460, 6907)]