2019430840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{7212253}}^1$

素因数の和:7212271

約数の個数: 32

約数和(自身を含む): 5192822880

約数和(自身を除く): 3173392040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 7212253, 14424506, 28849012, 36061265, 50485771, 57698024, 72122530, 100971542, 144245060, 201943084, 252428855, 288490120, 403886168, 504857710, 1009715420, 2019430840]

約数ペア:

[(1, 2019430840), (2, 1009715420), (4, 504857710), (5, 403886168), (7, 288490120), (8, 252428855), (10, 201943084), (14, 144245060), (20, 100971542), (28, 72122530), (35, 57698024), (40, 50485771), (56, 36061265), (70, 28849012), (140, 14424506), (280, 7212253)]