789867820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2039}}^1\times {\mathrm{2767}}^1$

素因数の和:4822

約数の個数: 48

約数和(自身を含む): 1897297920

約数和(自身を除く): 1107430100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2039, 2767, 4078, 5534, 8156, 10195, 11068, 13835, 14273, 19369, 20390, 27670, 28546, 38738, 40780, 55340, 57092, 71365, 77476, 96845, 142730, 193690, 285460, 387380, 5641913, 11283826, 22567652, 28209565, 39493391, 56419130, 78986782, 112838260, 157973564, 197466955, 394933910, 789867820]

約数ペア:

[(1, 789867820), (2, 394933910), (4, 197466955), (5, 157973564), (7, 112838260), (10, 78986782), (14, 56419130), (20, 39493391), (28, 28209565), (35, 22567652), (70, 11283826), (140, 5641913), (2039, 387380), (2767, 285460), (4078, 193690), (5534, 142730), (8156, 96845), (10195, 77476), (11068, 71365), (13835, 57092), (14273, 55340), (19369, 40780), (20390, 38738), (27670, 28546)]