76789780

素因数分解:

$2^2\times 5^1\times {\mathrm{1231}}^1\times {\mathrm{3119}}^1$

素因数の和:4359

約数の個数: 24

約数和(自身を含む): 161441280

約数和(自身を除く): 84651500

約数列:

[1, 2, 4, 5, 10, 20, 1231, 2462, 3119, 4924, 6155, 6238, 12310, 12476, 15595, 24620, 31190, 62380, 3839489, 7678978, 15357956, 19197445, 38394890, 76789780]

約数ペア:

[(1, 76789780), (2, 38394890), (4, 19197445), (5, 15357956), (10, 7678978), (20, 3839489), (1231, 62380), (2462, 31190), (3119, 24620), (4924, 15595), (6155, 12476), (6238, 12310)]