509728460

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{349}}^1\times {\mathrm{709}}^1$

素因数の和:1170

約数の個数: 48

約数和(自身を含む): 1085448000

約数和(自身を除く): 575719540

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 349, 412, 515, 698, 709, 1030, 1396, 1418, 1745, 2060, 2836, 3490, 3545, 6980, 7090, 14180, 35947, 71894, 73027, 143788, 146054, 179735, 247441, 292108, 359470, 365135, 494882, 718940, 730270, 989764, 1237205, 1460540, 2474410, 4948820, 25486423, 50972846, 101945692, 127432115, 254864230, 509728460]

約数ペア:

[(1, 509728460), (2, 254864230), (4, 127432115), (5, 101945692), (10, 50972846), (20, 25486423), (103, 4948820), (206, 2474410), (349, 1460540), (412, 1237205), (515, 989764), (698, 730270), (709, 718940), (1030, 494882), (1396, 365135), (1418, 359470), (1745, 292108), (2060, 247441), (2836, 179735), (3490, 146054), (3545, 143788), (6980, 73027), (7090, 71894), (14180, 35947)]