2200940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1$

素因数の和:294

約数の個数: 48

約数和(自身を含む): 5376000

約数和(自身を除く): 3175060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 199, 316, 395, 398, 553, 790, 796, 995, 1106, 1393, 1580, 1990, 2212, 2765, 2786, 3980, 5530, 5572, 6965, 11060, 13930, 15721, 27860, 31442, 62884, 78605, 110047, 157210, 220094, 314420, 440188, 550235, 1100470, 2200940]

約数ペア:

[(1, 2200940), (2, 1100470), (4, 550235), (5, 440188), (7, 314420), (10, 220094), (14, 157210), (20, 110047), (28, 78605), (35, 62884), (70, 31442), (79, 27860), (140, 15721), (158, 13930), (199, 11060), (316, 6965), (395, 5572), (398, 5530), (553, 3980), (790, 2786), (796, 2765), (995, 2212), (1106, 1990), (1393, 1580)]