85998220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{55843}}^1$

素因数の和:55870

約数の個数: 48

約数和(自身を含む): 225163008

約数和(自身を除く): 139164788

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 55843, 111686, 223372, 279215, 390901, 558430, 614273, 781802, 1116860, 1228546, 1563604, 1954505, 2457092, 3071365, 3909010, 4299911, 6142730, 7818020, 8599822, 12285460, 17199644, 21499555, 42999110, 85998220]

約数ペア:

[(1, 85998220), (2, 42999110), (4, 21499555), (5, 17199644), (7, 12285460), (10, 8599822), (11, 7818020), (14, 6142730), (20, 4299911), (22, 3909010), (28, 3071365), (35, 2457092), (44, 1954505), (55, 1563604), (70, 1228546), (77, 1116860), (110, 781802), (140, 614273), (154, 558430), (220, 390901), (308, 279215), (385, 223372), (770, 111686), (1540, 55843)]