291107020

素因数分解:

$2^2\times 5^1\times {\mathrm{1039}}^1\times {\mathrm{14009}}^1$

素因数の和:15057

約数の個数: 24

約数和(自身を含む): 611956800

約数和(自身を除く): 320849780

約数列:

[1, 2, 4, 5, 10, 20, 1039, 2078, 4156, 5195, 10390, 14009, 20780, 28018, 56036, 70045, 140090, 280180, 14555351, 29110702, 58221404, 72776755, 145553510, 291107020]

約数ペア:

[(1, 291107020), (2, 145553510), (4, 72776755), (5, 58221404), (10, 29110702), (20, 14555351), (1039, 280180), (2078, 140090), (4156, 70045), (5195, 56036), (10390, 28018), (14009, 20780)]