261497110

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{47287}}^1$

素因数の和:47380

約数の個数: 32

約数和(自身を含む): 544757760

約数和(自身を除く): 283260650

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 79, 158, 395, 553, 790, 1106, 2765, 5530, 47287, 94574, 236435, 331009, 472870, 662018, 1655045, 3310090, 3735673, 7471346, 18678365, 26149711, 37356730, 52299422, 130748555, 261497110]

約数ペア:

[(1, 261497110), (2, 130748555), (5, 52299422), (7, 37356730), (10, 26149711), (14, 18678365), (35, 7471346), (70, 3735673), (79, 3310090), (158, 1655045), (395, 662018), (553, 472870), (790, 331009), (1106, 236435), (2765, 94574), (5530, 47287)]