71315870

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{2081}}^1$

素因数の和:2260

約数の個数: 32

約数和(自身を含む): 134913600

約数和(自身を除く): 63597730

約数列:

[1, 2, 5, 10, 23, 46, 115, 149, 230, 298, 745, 1490, 2081, 3427, 4162, 6854, 10405, 17135, 20810, 34270, 47863, 95726, 239315, 310069, 478630, 620138, 1550345, 3100690, 7131587, 14263174, 35657935, 71315870]

約数ペア:

[(1, 71315870), (2, 35657935), (5, 14263174), (10, 7131587), (23, 3100690), (46, 1550345), (115, 620138), (149, 478630), (230, 310069), (298, 239315), (745, 95726), (1490, 47863), (2081, 34270), (3427, 20810), (4162, 17135), (6854, 10405)]