70488220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{320401}}^1$

素因数の和:320421

約数の個数: 24

約数和(自身を含む): 161482608

約数和(自身を除く): 90994388

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 320401, 640802, 1281604, 1602005, 3204010, 3524411, 6408020, 7048822, 14097644, 17622055, 35244110, 70488220]

約数ペア:

[(1, 70488220), (2, 35244110), (4, 17622055), (5, 14097644), (10, 7048822), (11, 6408020), (20, 3524411), (22, 3204010), (44, 1602005), (55, 1281604), (110, 640802), (220, 320401)]