220145260

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{355073}}^1$

素因数の和:355113

約数の個数: 24

約数和(自身を含む): 477219456

約数和(自身を除く): 257074196

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 355073, 710146, 1420292, 1775365, 3550730, 7101460, 11007263, 22014526, 44029052, 55036315, 110072630, 220145260]

約数ペア:

[(1, 220145260), (2, 110072630), (4, 55036315), (5, 44029052), (10, 22014526), (20, 11007263), (31, 7101460), (62, 3550730), (124, 1775365), (155, 1420292), (310, 710146), (620, 355073)]