257651030

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{283133}}^1$

素因数の和:283160

約数の個数: 32

約数和(自身を含む): 570798144

約数和(自身を除く): 313147114

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 283133, 566266, 1415665, 1981931, 2831330, 3680729, 3963862, 7361458, 9909655, 18403645, 19819310, 25765103, 36807290, 51530206, 128825515, 257651030]

約数ペア:

[(1, 257651030), (2, 128825515), (5, 51530206), (7, 36807290), (10, 25765103), (13, 19819310), (14, 18403645), (26, 9909655), (35, 7361458), (65, 3963862), (70, 3680729), (91, 2831330), (130, 1981931), (182, 1415665), (455, 566266), (910, 283133)]