858821480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1951867}}^1$

素因数の和:1951889

約数の個数: 32

約数和(自身を含む): 2108017440

約数和(自身を除く): 1249195960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 1951867, 3903734, 7807468, 9759335, 15614936, 19518670, 21470537, 39037340, 42941074, 78074680, 85882148, 107352685, 171764296, 214705370, 429410740, 858821480]

約数ペア:

[(1, 858821480), (2, 429410740), (4, 214705370), (5, 171764296), (8, 107352685), (10, 85882148), (11, 78074680), (20, 42941074), (22, 39037340), (40, 21470537), (44, 19518670), (55, 15614936), (88, 9759335), (110, 7807468), (220, 3903734), (440, 1951867)]