401860

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{283}}^1$

素因数の和:363

約数の個数: 24

約数和(自身を含む): 858816

約数和(自身を除く): 456956

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 283, 284, 355, 566, 710, 1132, 1415, 1420, 2830, 5660, 20093, 40186, 80372, 100465, 200930, 401860]

約数ペア:

[(1, 401860), (2, 200930), (4, 100465), (5, 80372), (10, 40186), (20, 20093), (71, 5660), (142, 2830), (283, 1420), (284, 1415), (355, 1132), (566, 710)]