280225825

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{67}}^2\times {\mathrm{227}}^1$

素因数の和:382

約数の個数: 36

約数和(自身を含む): 386506512

約数和(自身を除く): 106280687

約数列:

[1, 5, 11, 25, 55, 67, 227, 275, 335, 737, 1135, 1675, 2497, 3685, 4489, 5675, 12485, 15209, 18425, 22445, 49379, 62425, 76045, 112225, 167299, 246895, 380225, 836495, 1019003, 1234475, 4182475, 5095015, 11209033, 25475075, 56045165, 280225825]

約数ペア:

[(1, 280225825), (5, 56045165), (11, 25475075), (25, 11209033), (55, 5095015), (67, 4182475), (227, 1234475), (275, 1019003), (335, 836495), (737, 380225), (1135, 246895), (1675, 167299), (2497, 112225), (3685, 76045), (4489, 62425), (5675, 49379), (12485, 22445), (15209, 18425)]