8906660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{563}}^1$

素因数の和:692

約数の個数: 48

約数和(自身を含む): 21603456

約数和(自身を除く): 12696796

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 113, 140, 226, 452, 563, 565, 791, 1126, 1130, 1582, 2252, 2260, 2815, 3164, 3941, 3955, 5630, 7882, 7910, 11260, 15764, 15820, 19705, 39410, 63619, 78820, 127238, 254476, 318095, 445333, 636190, 890666, 1272380, 1781332, 2226665, 4453330, 8906660]

約数ペア:

[(1, 8906660), (2, 4453330), (4, 2226665), (5, 1781332), (7, 1272380), (10, 890666), (14, 636190), (20, 445333), (28, 318095), (35, 254476), (70, 127238), (113, 78820), (140, 63619), (226, 39410), (452, 19705), (563, 15820), (565, 15764), (791, 11260), (1126, 7910), (1130, 7882), (1582, 5630), (2252, 3955), (2260, 3941), (2815, 3164)]