2139322180

素因数分解:

$2^2\times 5^1\times {\mathrm{691}}^1\times {\mathrm{154799}}^1$

素因数の和:155499

約数の個数: 24

約数和(自身を含む): 4499107200

約数和(自身を除く): 2359785020

約数列:

[1, 2, 4, 5, 10, 20, 691, 1382, 2764, 3455, 6910, 13820, 154799, 309598, 619196, 773995, 1547990, 3095980, 106966109, 213932218, 427864436, 534830545, 1069661090, 2139322180]

約数ペア:

[(1, 2139322180), (2, 1069661090), (4, 534830545), (5, 427864436), (10, 213932218), (20, 106966109), (691, 3095980), (1382, 1547990), (2764, 773995), (3455, 619196), (6910, 309598), (13820, 154799)]