293908475

素因数分解:

$5^2\times 7^1\times {\mathrm{29}}^2\times {\mathrm{1997}}^1$

素因数の和:2072

約数の個数: 36

約数和(自身を含む): 431583984

約数和(自身を除く): 137675509

約数列:

[1, 5, 7, 25, 29, 35, 145, 175, 203, 725, 841, 1015, 1997, 4205, 5075, 5887, 9985, 13979, 21025, 29435, 49925, 57913, 69895, 147175, 289565, 349475, 405391, 1447825, 1679477, 2026955, 8397385, 10134775, 11756339, 41986925, 58781695, 293908475]

約数ペア:

[(1, 293908475), (5, 58781695), (7, 41986925), (25, 11756339), (29, 10134775), (35, 8397385), (145, 2026955), (175, 1679477), (203, 1447825), (725, 405391), (841, 349475), (1015, 289565), (1997, 147175), (4205, 69895), (5075, 57913), (5887, 49925), (9985, 29435), (13979, 21025)]