156970940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1121221}}^1$

素因数の和:1121237

約数の個数: 24

約数和(自身を含む): 376730592

約数和(自身を除く): 219759652

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1121221, 2242442, 4484884, 5606105, 7848547, 11212210, 15697094, 22424420, 31394188, 39242735, 78485470, 156970940]

約数ペア:

[(1, 156970940), (2, 78485470), (4, 39242735), (5, 31394188), (7, 22424420), (10, 15697094), (14, 11212210), (20, 7848547), (28, 5606105), (35, 4484884), (70, 2242442), (140, 1121221)]