227270225

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{353}}^1$

素因数の和:666

約数の個数: 48

約数和(自身を含む): 349060992

約数和(自身を除く): 121790767

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 175, 283, 325, 353, 455, 1415, 1765, 1981, 2275, 2471, 3679, 4589, 7075, 8825, 9905, 12355, 18395, 22945, 25753, 32123, 49525, 61775, 91975, 99899, 114725, 128765, 160615, 499495, 643825, 699293, 803075, 1298687, 2497475, 3496465, 6493435, 9090809, 17482325, 32467175, 45454045, 227270225]

約数ペア:

[(1, 227270225), (5, 45454045), (7, 32467175), (13, 17482325), (25, 9090809), (35, 6493435), (65, 3496465), (91, 2497475), (175, 1298687), (283, 803075), (325, 699293), (353, 643825), (455, 499495), (1415, 160615), (1765, 128765), (1981, 114725), (2275, 99899), (2471, 91975), (3679, 61775), (4589, 49525), (7075, 32123), (8825, 25753), (9905, 22945), (12355, 18395)]