205121525

素因数分解:

$5^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{401}}^1$

素因数の和:534

約数の個数: 48

約数和(自身を含む): 303075840

約数和(自身を除く): 97954315

約数列:

[1, 5, 7, 25, 35, 37, 79, 175, 185, 259, 395, 401, 553, 925, 1295, 1975, 2005, 2765, 2807, 2923, 6475, 10025, 13825, 14035, 14615, 14837, 20461, 31679, 70175, 73075, 74185, 102305, 103859, 158395, 221753, 370925, 511525, 519295, 791975, 1108765, 1172123, 2596475, 5543825, 5860615, 8204861, 29303075, 41024305, 205121525]

約数ペア:

[(1, 205121525), (5, 41024305), (7, 29303075), (25, 8204861), (35, 5860615), (37, 5543825), (79, 2596475), (175, 1172123), (185, 1108765), (259, 791975), (395, 519295), (401, 511525), (553, 370925), (925, 221753), (1295, 158395), (1975, 103859), (2005, 102305), (2765, 74185), (2807, 73075), (2923, 70175), (6475, 31679), (10025, 20461), (13825, 14837), (14035, 14615)]