207187820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1479913}}^1$

素因数の和:1479929

約数の個数: 24

約数和(自身を含む): 497251104

約数和(自身を除く): 290063284

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1479913, 2959826, 5919652, 7399565, 10359391, 14799130, 20718782, 29598260, 41437564, 51796955, 103593910, 207187820]

約数ペア:

[(1, 207187820), (2, 103593910), (4, 51796955), (5, 41437564), (7, 29598260), (10, 20718782), (14, 14799130), (20, 10359391), (28, 7399565), (35, 5919652), (70, 2959826), (140, 1479913)]