712940

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{829}}^1$

素因数の和:881

約数の個数: 24

約数和(自身を含む): 1533840

約数和(自身を除く): 820900

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 829, 860, 1658, 3316, 4145, 8290, 16580, 35647, 71294, 142588, 178235, 356470, 712940]

約数ペア:

[(1, 712940), (2, 356470), (4, 178235), (5, 142588), (10, 71294), (20, 35647), (43, 16580), (86, 8290), (172, 4145), (215, 3316), (430, 1658), (829, 860)]