7149980

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{2729}}^1$

素因数の和:2869

約数の個数: 24

約数和(自身を含む): 15135120

約数和(自身を除く): 7985140

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 2729, 5458, 10916, 13645, 27290, 54580, 357499, 714998, 1429996, 1787495, 3574990, 7149980]

約数ペア:

[(1, 7149980), (2, 3574990), (4, 1787495), (5, 1429996), (10, 714998), (20, 357499), (131, 54580), (262, 27290), (524, 13645), (655, 10916), (1310, 5458), (2620, 2729)]