207022060

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{211247}}^1$

素因数の和:211270

約数の個数: 36

約数和(自身を含む): 505727712

約数和(自身を除く): 298705652

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 211247, 422494, 844988, 1056235, 1478729, 2112470, 2957458, 4224940, 5914916, 7393645, 10351103, 14787290, 20702206, 29574580, 41404412, 51755515, 103511030, 207022060]

約数ペア:

[(1, 207022060), (2, 103511030), (4, 51755515), (5, 41404412), (7, 29574580), (10, 20702206), (14, 14787290), (20, 10351103), (28, 7393645), (35, 5914916), (49, 4224940), (70, 2957458), (98, 2112470), (140, 1478729), (196, 1056235), (245, 844988), (490, 422494), (980, 211247)]