1245017090

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^2\times {\mathrm{19949}}^1$

素因数の和:20114

約数の個数: 24

約数和(自身を含む): 2269871100

約数和(自身を除く): 1024854010

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 6241, 12482, 19949, 31205, 39898, 62410, 99745, 199490, 1575971, 3151942, 7879855, 15759710, 124501709, 249003418, 622508545, 1245017090]

約数ペア:

[(1, 1245017090), (2, 622508545), (5, 249003418), (10, 124501709), (79, 15759710), (158, 7879855), (395, 3151942), (790, 1575971), (6241, 199490), (12482, 99745), (19949, 62410), (31205, 39898)]