2770000

素因数分解:

$2^4\times 5^4\times {\mathrm{277}}^1$

素因数の和:305

約数の個数: 50

約数和(自身を含む): 6730658

約数和(自身を除く): 3960658

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 277, 400, 500, 554, 625, 1000, 1108, 1250, 1385, 2000, 2216, 2500, 2770, 4432, 5000, 5540, 6925, 10000, 11080, 13850, 22160, 27700, 34625, 55400, 69250, 110800, 138500, 173125, 277000, 346250, 554000, 692500, 1385000, 2770000]

約数ペア:

[(1, 2770000), (2, 1385000), (4, 692500), (5, 554000), (8, 346250), (10, 277000), (16, 173125), (20, 138500), (25, 110800), (40, 69250), (50, 55400), (80, 34625), (100, 27700), (125, 22160), (200, 13850), (250, 11080), (277, 10000), (400, 6925), (500, 5540), (554, 5000), (625, 4432), (1000, 2770), (1108, 2500), (1250, 2216), (1385, 2000)]