64676780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{461977}}^1$

素因数の和:461993

約数の個数: 24

約数和(自身を含む): 155224608

約数和(自身を除く): 90547828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 461977, 923954, 1847908, 2309885, 3233839, 4619770, 6467678, 9239540, 12935356, 16169195, 32338390, 64676780]

約数ペア:

[(1, 64676780), (2, 32338390), (4, 16169195), (5, 12935356), (7, 9239540), (10, 6467678), (14, 4619770), (20, 3233839), (28, 2309885), (35, 1847908), (70, 923954), (140, 461977)]