205827475

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{601}}^1$

素因数の和:740

約数の個数: 48

約数和(自身を含む): 310535680

約数和(自身を除く): 104708205

約数列:

[1, 5, 7, 19, 25, 35, 95, 103, 133, 175, 475, 515, 601, 665, 721, 1957, 2575, 3005, 3325, 3605, 4207, 9785, 11419, 13699, 15025, 18025, 21035, 48925, 57095, 61903, 68495, 79933, 105175, 285475, 309515, 342475, 399665, 433321, 1176157, 1547575, 1998325, 2166605, 5880785, 8233099, 10833025, 29403925, 41165495, 205827475]

約数ペア:

[(1, 205827475), (5, 41165495), (7, 29403925), (19, 10833025), (25, 8233099), (35, 5880785), (95, 2166605), (103, 1998325), (133, 1547575), (175, 1176157), (475, 433321), (515, 399665), (601, 342475), (665, 309515), (721, 285475), (1957, 105175), (2575, 79933), (3005, 68495), (3325, 61903), (3605, 57095), (4207, 48925), (9785, 21035), (11419, 18025), (13699, 15025)]