138990097960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{496393207}}^1$

素因数の和:496393225

約数の個数: 32

約数和(自身を含む): 357403109760

約数和(自身を除く): 218413011800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 496393207, 992786414, 1985572828, 2481966035, 3474752449, 3971145656, 4963932070, 6949504898, 9927864140, 13899009796, 17373762245, 19855728280, 27798019592, 34747524490, 69495048980, 138990097960]

約数ペア:

[(1, 138990097960), (2, 69495048980), (4, 34747524490), (5, 27798019592), (7, 19855728280), (8, 17373762245), (10, 13899009796), (14, 9927864140), (20, 6949504898), (28, 4963932070), (35, 3971145656), (40, 3474752449), (56, 2481966035), (70, 1985572828), (140, 992786414), (280, 496393207)]