2828840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{10103}}^1$

素因数の和:10121

約数の個数: 32

約数和(自身を含む): 7274880

約数和(自身を除く): 4446040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 10103, 20206, 40412, 50515, 70721, 80824, 101030, 141442, 202060, 282884, 353605, 404120, 565768, 707210, 1414420, 2828840]

約数ペア:

[(1, 2828840), (2, 1414420), (4, 707210), (5, 565768), (7, 404120), (8, 353605), (10, 282884), (14, 202060), (20, 141442), (28, 101030), (35, 80824), (40, 70721), (56, 50515), (70, 40412), (140, 20206), (280, 10103)]