3455000

素因数分解:

$2^3\times 5^4\times {\mathrm{691}}^1$

素因数の和:717

約数の個数: 40

約数和(自身を含む): 8106780

約数和(自身を除く): 4651780

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 691, 1000, 1250, 1382, 2500, 2764, 3455, 5000, 5528, 6910, 13820, 17275, 27640, 34550, 69100, 86375, 138200, 172750, 345500, 431875, 691000, 863750, 1727500, 3455000]

約数ペア:

[(1, 3455000), (2, 1727500), (4, 863750), (5, 691000), (8, 431875), (10, 345500), (20, 172750), (25, 138200), (40, 86375), (50, 69100), (100, 34550), (125, 27640), (200, 17275), (250, 13820), (500, 6910), (625, 5528), (691, 5000), (1000, 3455), (1250, 2764), (1382, 2500)]