291230876840

素因数分解:

$2^3\times 5^1\times {\mathrm{1831}}^1\times {\mathrm{3976391}}^1$

素因数の和:3978233

約数の個数: 32

約数和(自身を含む): 655627512960

約数和(自身を除く): 364396636120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1831, 3662, 7324, 9155, 14648, 18310, 36620, 73240, 3976391, 7952782, 15905564, 19881955, 31811128, 39763910, 79527820, 159055640, 7280771921, 14561543842, 29123087684, 36403859605, 58246175368, 72807719210, 145615438420, 291230876840]

約数ペア:

[(1, 291230876840), (2, 145615438420), (4, 72807719210), (5, 58246175368), (8, 36403859605), (10, 29123087684), (20, 14561543842), (40, 7280771921), (1831, 159055640), (3662, 79527820), (7324, 39763910), (9155, 31811128), (14648, 19881955), (18310, 15905564), (36620, 7952782), (73240, 3976391)]