4401880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1$

素因数の和:296

約数の個数: 64

約数和(自身を含む): 11520000

約数和(自身を除く): 7118120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 79, 140, 158, 199, 280, 316, 395, 398, 553, 632, 790, 796, 995, 1106, 1393, 1580, 1592, 1990, 2212, 2765, 2786, 3160, 3980, 4424, 5530, 5572, 6965, 7960, 11060, 11144, 13930, 15721, 22120, 27860, 31442, 55720, 62884, 78605, 110047, 125768, 157210, 220094, 314420, 440188, 550235, 628840, 880376, 1100470, 2200940, 4401880]

約数ペア:

[(1, 4401880), (2, 2200940), (4, 1100470), (5, 880376), (7, 628840), (8, 550235), (10, 440188), (14, 314420), (20, 220094), (28, 157210), (35, 125768), (40, 110047), (56, 78605), (70, 62884), (79, 55720), (140, 31442), (158, 27860), (199, 22120), (280, 15721), (316, 13930), (395, 11144), (398, 11060), (553, 7960), (632, 6965), (790, 5572), (796, 5530), (995, 4424), (1106, 3980), (1393, 3160), (1580, 2786), (1592, 2765), (1990, 2212)]