2102500

素因数分解:

$2^2\times 5^4\times {\mathrm{29}}^2$

素因数の和:82

約数の個数: 45

約数和(自身を含む): 4761757

約数和(自身を除く): 2659257

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 125, 145, 250, 290, 500, 580, 625, 725, 841, 1250, 1450, 1682, 2500, 2900, 3364, 3625, 4205, 7250, 8410, 14500, 16820, 18125, 21025, 36250, 42050, 72500, 84100, 105125, 210250, 420500, 525625, 1051250, 2102500]

約数ペア:

[(1, 2102500), (2, 1051250), (4, 525625), (5, 420500), (10, 210250), (20, 105125), (25, 84100), (29, 72500), (50, 42050), (58, 36250), (100, 21025), (116, 18125), (125, 16820), (145, 14500), (250, 8410), (290, 7250), (500, 4205), (580, 3625), (625, 3364), (725, 2900), (841, 2500), (1250, 1682)]