3458620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1$

素因数の和:298

約数の個数: 48

約数和(自身を含む): 8064000

約数和(自身を除く): 4605380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 110, 158, 199, 220, 316, 395, 398, 790, 796, 869, 995, 1580, 1738, 1990, 2189, 3476, 3980, 4345, 4378, 8690, 8756, 10945, 15721, 17380, 21890, 31442, 43780, 62884, 78605, 157210, 172931, 314420, 345862, 691724, 864655, 1729310, 3458620]

約数ペア:

[(1, 3458620), (2, 1729310), (4, 864655), (5, 691724), (10, 345862), (11, 314420), (20, 172931), (22, 157210), (44, 78605), (55, 62884), (79, 43780), (110, 31442), (158, 21890), (199, 17380), (220, 15721), (316, 10945), (395, 8756), (398, 8690), (790, 4378), (796, 4345), (869, 3980), (995, 3476), (1580, 2189), (1738, 1990)]