252986540

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1\times {\mathrm{967}}^1$

素因数の和:1206

約数の個数: 48

約数和(自身を含む): 541212672

約数和(自身を除く): 288226132

約数列:

[1, 2, 4, 5, 10, 20, 103, 127, 206, 254, 412, 508, 515, 635, 967, 1030, 1270, 1934, 2060, 2540, 3868, 4835, 9670, 13081, 19340, 26162, 52324, 65405, 99601, 122809, 130810, 199202, 245618, 261620, 398404, 491236, 498005, 614045, 996010, 1228090, 1992020, 2456180, 12649327, 25298654, 50597308, 63246635, 126493270, 252986540]

約数ペア:

[(1, 252986540), (2, 126493270), (4, 63246635), (5, 50597308), (10, 25298654), (20, 12649327), (103, 2456180), (127, 1992020), (206, 1228090), (254, 996010), (412, 614045), (508, 498005), (515, 491236), (635, 398404), (967, 261620), (1030, 245618), (1270, 199202), (1934, 130810), (2060, 122809), (2540, 99601), (3868, 65405), (4835, 52324), (9670, 26162), (13081, 19340)]