7136140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{199}}^1$

素因数の和:382

約数の個数: 48

約数和(自身を含む): 16531200

約数和(自身を除く): 9395060

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 163, 199, 220, 326, 398, 652, 796, 815, 995, 1630, 1793, 1990, 2189, 3260, 3586, 3980, 4378, 7172, 8756, 8965, 10945, 17930, 21890, 32437, 35860, 43780, 64874, 129748, 162185, 324370, 356807, 648740, 713614, 1427228, 1784035, 3568070, 7136140]

約数ペア:

[(1, 7136140), (2, 3568070), (4, 1784035), (5, 1427228), (10, 713614), (11, 648740), (20, 356807), (22, 324370), (44, 162185), (55, 129748), (110, 64874), (163, 43780), (199, 35860), (220, 32437), (326, 21890), (398, 17930), (652, 10945), (796, 8965), (815, 8756), (995, 7172), (1630, 4378), (1793, 3980), (1990, 3586), (2189, 3260)]