870835240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1979171}}^1$

素因数の和:1979193

約数の個数: 32

約数和(自身を含む): 2137505760

約数和(自身を除く): 1266670520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 1979171, 3958342, 7916684, 9895855, 15833368, 19791710, 21770881, 39583420, 43541762, 79166840, 87083524, 108854405, 174167048, 217708810, 435417620, 870835240]

約数ペア:

[(1, 870835240), (2, 435417620), (4, 217708810), (5, 174167048), (8, 108854405), (10, 87083524), (11, 79166840), (20, 43541762), (22, 39583420), (40, 21770881), (44, 19791710), (55, 15833368), (88, 9895855), (110, 7916684), (220, 3958342), (440, 1979171)]