1990940

素因数分解:

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

素因数の和:14237

約数の個数: 24

約数和(自身を含む): 4778592

約数和(自身を除く): 2787652

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 14221, 28442, 56884, 71105, 99547, 142210, 199094, 284420, 398188, 497735, 995470, 1990940]

約数ペア:

[(1, 1990940), (2, 995470), (4, 497735), (5, 398188), (7, 284420), (10, 199094), (14, 142210), (20, 99547), (28, 71105), (35, 56884), (70, 28442), (140, 14221)]