84376040

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{43049}}^1$

素因数の和:43074

約数の個数: 48

約数和(自身を含む): 220846500

約数和(自身を除く): 136470460

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 43049, 86098, 172196, 215245, 301343, 344392, 430490, 602686, 860980, 1205372, 1506715, 1721960, 2109401, 2410744, 3013430, 4218802, 6026860, 8437604, 10547005, 12053720, 16875208, 21094010, 42188020, 84376040]

約数ペア:

[(1, 84376040), (2, 42188020), (4, 21094010), (5, 16875208), (7, 12053720), (8, 10547005), (10, 8437604), (14, 6026860), (20, 4218802), (28, 3013430), (35, 2410744), (40, 2109401), (49, 1721960), (56, 1506715), (70, 1205372), (98, 860980), (140, 602686), (196, 430490), (245, 344392), (280, 301343), (392, 215245), (490, 172196), (980, 86098), (1960, 43049)]