157234840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{561553}}^1$

素因数の和:561571

約数の個数: 32

約数和(自身を含む): 404318880

約数和(自身を除く): 247084040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 561553, 1123106, 2246212, 2807765, 3930871, 4492424, 5615530, 7861742, 11231060, 15723484, 19654355, 22462120, 31446968, 39308710, 78617420, 157234840]

約数ペア:

[(1, 157234840), (2, 78617420), (4, 39308710), (5, 31446968), (7, 22462120), (8, 19654355), (10, 15723484), (14, 11231060), (20, 7861742), (28, 5615530), (35, 4492424), (40, 3930871), (56, 2807765), (70, 2246212), (140, 1123106), (280, 561553)]