3981880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{14221}}^1$

素因数の和:14239

約数の個数: 32

約数和(自身を含む): 10239840

約数和(自身を除く): 6257960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 14221, 28442, 56884, 71105, 99547, 113768, 142210, 199094, 284420, 398188, 497735, 568840, 796376, 995470, 1990940, 3981880]

約数ペア:

[(1, 3981880), (2, 1990940), (4, 995470), (5, 796376), (7, 568840), (8, 497735), (10, 398188), (14, 284420), (20, 199094), (28, 142210), (35, 113768), (40, 99547), (56, 71105), (70, 56884), (140, 28442), (280, 14221)]