1801250

素因数分解:

$2^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{131}}^1$

素因数の和:164

約数の個数: 40

約数和(自身を含む): 3711312

約数和(自身を除く): 1910062

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 125, 131, 250, 262, 275, 550, 625, 655, 1250, 1310, 1375, 1441, 2750, 2882, 3275, 6550, 6875, 7205, 13750, 14410, 16375, 32750, 36025, 72050, 81875, 163750, 180125, 360250, 900625, 1801250]

約数ペア:

[(1, 1801250), (2, 900625), (5, 360250), (10, 180125), (11, 163750), (22, 81875), (25, 72050), (50, 36025), (55, 32750), (110, 16375), (125, 14410), (131, 13750), (250, 7205), (262, 6875), (275, 6550), (550, 3275), (625, 2882), (655, 2750), (1250, 1441), (1310, 1375)]