156789010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{72253}}^1$

素因数の和:72298

約数の個数: 32

約数和(自身を含む): 332946432

約数和(自身を除く): 176157422

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 434, 1085, 2170, 72253, 144506, 361265, 505771, 722530, 1011542, 2239843, 2528855, 4479686, 5057710, 11199215, 15678901, 22398430, 31357802, 78394505, 156789010]

約数ペア:

[(1, 156789010), (2, 78394505), (5, 31357802), (7, 22398430), (10, 15678901), (14, 11199215), (31, 5057710), (35, 4479686), (62, 2528855), (70, 2239843), (155, 1011542), (217, 722530), (310, 505771), (434, 361265), (1085, 144506), (2170, 72253)]