71110820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{7517}}^1$

素因数の和:7580

約数の個数: 48

約数和(自身を含む): 166719168

約数和(自身を除く): 95608348

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 473, 860, 946, 1892, 2365, 4730, 7517, 9460, 15034, 30068, 37585, 75170, 82687, 150340, 165374, 323231, 330748, 413435, 646462, 826870, 1292924, 1616155, 1653740, 3232310, 3555541, 6464620, 7111082, 14222164, 17777705, 35555410, 71110820]

約数ペア:

[(1, 71110820), (2, 35555410), (4, 17777705), (5, 14222164), (10, 7111082), (11, 6464620), (20, 3555541), (22, 3232310), (43, 1653740), (44, 1616155), (55, 1292924), (86, 826870), (110, 646462), (172, 413435), (215, 330748), (220, 323231), (430, 165374), (473, 150340), (860, 82687), (946, 75170), (1892, 37585), (2365, 30068), (4730, 15034), (7517, 9460)]