1311340

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{379}}^1$

素因数の和:561

約数の個数: 24

約数和(自身を含む): 2777040

約数和(自身を除く): 1465700

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 379, 692, 758, 865, 1516, 1730, 1895, 3460, 3790, 7580, 65567, 131134, 262268, 327835, 655670, 1311340]

約数ペア:

[(1, 1311340), (2, 655670), (4, 327835), (5, 262268), (10, 131134), (20, 65567), (173, 7580), (346, 3790), (379, 3460), (692, 1895), (758, 1730), (865, 1516)]