129780290

素因数分解:

$2^1\times 5^1\times {\mathrm{2749}}^1\times {\mathrm{4721}}^1$

素因数の和:7477

約数の個数: 16

約数和(自身を含む): 233739000

約数和(自身を除く): 103958710

約数列:

[1, 2, 5, 10, 2749, 4721, 5498, 9442, 13745, 23605, 27490, 47210, 12978029, 25956058, 64890145, 129780290]

約数ペア:

[(1, 129780290), (2, 64890145), (5, 25956058), (10, 12978029), (2749, 47210), (4721, 27490), (5498, 23605), (9442, 13745)]