1850878820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{821}}^1\times {\mathrm{16103}}^1$

素因数の和:16940

約数の個数: 48

約数和(自身を含む): 4447795968

約数和(自身を除く): 2596917148

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 821, 1642, 3284, 4105, 5747, 8210, 11494, 16103, 16420, 22988, 28735, 32206, 57470, 64412, 80515, 112721, 114940, 161030, 225442, 322060, 450884, 563605, 1127210, 2254420, 13220563, 26441126, 52882252, 66102815, 92543941, 132205630, 185087882, 264411260, 370175764, 462719705, 925439410, 1850878820]

約数ペア:

[(1, 1850878820), (2, 925439410), (4, 462719705), (5, 370175764), (7, 264411260), (10, 185087882), (14, 132205630), (20, 92543941), (28, 66102815), (35, 52882252), (70, 26441126), (140, 13220563), (821, 2254420), (1642, 1127210), (3284, 563605), (4105, 450884), (5747, 322060), (8210, 225442), (11494, 161030), (16103, 114940), (16420, 112721), (22988, 80515), (28735, 64412), (32206, 57470)]