129298220

素因数分解:

$2^2\times 5^1\times {\mathrm{929}}^1\times {\mathrm{6959}}^1$

素因数の和:7897

約数の個数: 24

約数和(自身を含む): 271857600

約数和(自身を除く): 142559380

約数列:

[1, 2, 4, 5, 10, 20, 929, 1858, 3716, 4645, 6959, 9290, 13918, 18580, 27836, 34795, 69590, 139180, 6464911, 12929822, 25859644, 32324555, 64649110, 129298220]

約数ペア:

[(1, 129298220), (2, 64649110), (4, 32324555), (5, 25859644), (10, 12929822), (20, 6464911), (929, 139180), (1858, 69590), (3716, 34795), (4645, 27836), (6959, 18580), (9290, 13918)]