8442500

素因数分解:

$2^2\times 5^4\times {\mathrm{11}}^1\times {\mathrm{307}}^1$

素因数の和:342

約数の個数: 60

約数和(自身を含む): 20206032

約数和(自身を除く): 11763532

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 125, 220, 250, 275, 307, 500, 550, 614, 625, 1100, 1228, 1250, 1375, 1535, 2500, 2750, 3070, 3377, 5500, 6140, 6754, 6875, 7675, 13508, 13750, 15350, 16885, 27500, 30700, 33770, 38375, 67540, 76750, 84425, 153500, 168850, 191875, 337700, 383750, 422125, 767500, 844250, 1688500, 2110625, 4221250, 8442500]

約数ペア:

[(1, 8442500), (2, 4221250), (4, 2110625), (5, 1688500), (10, 844250), (11, 767500), (20, 422125), (22, 383750), (25, 337700), (44, 191875), (50, 168850), (55, 153500), (100, 84425), (110, 76750), (125, 67540), (220, 38375), (250, 33770), (275, 30700), (307, 27500), (500, 16885), (550, 15350), (614, 13750), (625, 13508), (1100, 7675), (1228, 6875), (1250, 6754), (1375, 6140), (1535, 5500), (2500, 3377), (2750, 3070)]