1390804810

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1000579}}^1$

素因数の和:1000725

約数の個数: 16

約数和(自身を含む): 2521461600

約数和(自身を除く): 1130656790

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 1000579, 2001158, 5002895, 10005790, 139080481, 278160962, 695402405, 1390804810]

約数ペア:

[(1, 1390804810), (2, 695402405), (5, 278160962), (10, 139080481), (139, 10005790), (278, 5002895), (695, 2001158), (1390, 1000579)]