870899480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1979317}}^1$

素因数の和:1979339

約数の個数: 32

約数和(自身を含む): 2137663440

約数和(自身を除く): 1266763960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 1979317, 3958634, 7917268, 9896585, 15834536, 19793170, 21772487, 39586340, 43544974, 79172680, 87089948, 108862435, 174179896, 217724870, 435449740, 870899480]

約数ペア:

[(1, 870899480), (2, 435449740), (4, 217724870), (5, 174179896), (8, 108862435), (10, 87089948), (11, 79172680), (20, 43544974), (22, 39586340), (40, 21772487), (44, 19793170), (55, 15834536), (88, 9896585), (110, 7917268), (220, 3958634), (440, 1979317)]