870822100

素因数分解:

$2^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{122651}}^1$

素因数の和:122736

約数の個数: 36

約数和(自身を含む): 1916314848

約数和(自身を除く): 1045492748

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 142, 284, 355, 710, 1420, 1775, 3550, 7100, 122651, 245302, 490604, 613255, 1226510, 2453020, 3066275, 6132550, 8708221, 12265100, 17416442, 34832884, 43541105, 87082210, 174164420, 217705525, 435411050, 870822100]

約数ペア:

[(1, 870822100), (2, 435411050), (4, 217705525), (5, 174164420), (10, 87082210), (20, 43541105), (25, 34832884), (50, 17416442), (71, 12265100), (100, 8708221), (142, 6132550), (284, 3066275), (355, 2453020), (710, 1226510), (1420, 613255), (1775, 490604), (3550, 245302), (7100, 122651)]