1243196140

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{786833}}^1$

素因数の和:786921

約数の個数: 24

約数和(自身を含む): 2643762240

約数和(自身を除く): 1400566100

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 786833, 1573666, 3147332, 3934165, 7868330, 15736660, 62159807, 124319614, 248639228, 310799035, 621598070, 1243196140]

約数ペア:

[(1, 1243196140), (2, 621598070), (4, 310799035), (5, 248639228), (10, 124319614), (20, 62159807), (79, 15736660), (158, 7868330), (316, 3934165), (395, 3147332), (790, 1573666), (1580, 786833)]