730918945

素因数分解:

$5^1\times {\mathrm{43}}^2\times {\mathrm{173}}^1\times {\mathrm{457}}^1$

素因数の和:721

約数の個数: 24

約数和(自身を含む): 905141736

約数和(自身を除く): 174222791

約数列:

[1, 5, 43, 173, 215, 457, 865, 1849, 2285, 7439, 9245, 19651, 37195, 79061, 98255, 319877, 395305, 844993, 1599385, 3399623, 4224965, 16998115, 146183789, 730918945]

約数ペア:

[(1, 730918945), (5, 146183789), (43, 16998115), (173, 4224965), (215, 3399623), (457, 1599385), (865, 844993), (1849, 395305), (2285, 319877), (7439, 98255), (9245, 79061), (19651, 37195)]