2781250

素因数分解:

$2^1\times 5^6\times {\mathrm{89}}^1$

素因数の和:121

約数の個数: 28

約数和(自身を含む): 5273370

約数和(自身を除く): 2492120

約数列:

[1, 2, 5, 10, 25, 50, 89, 125, 178, 250, 445, 625, 890, 1250, 2225, 3125, 4450, 6250, 11125, 15625, 22250, 31250, 55625, 111250, 278125, 556250, 1390625, 2781250]

約数ペア:

[(1, 2781250), (2, 1390625), (5, 556250), (10, 278125), (25, 111250), (50, 55625), (89, 31250), (125, 22250), (178, 15625), (250, 11125), (445, 6250), (625, 4450), (890, 3125), (1250, 2225)]