4310000

素因数分解:

$2^4\times 5^4\times {\mathrm{431}}^1$

素因数の和:459

約数の個数: 50

約数和(自身を含む): 10459152

約数和(自身を除く): 6149152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 431, 500, 625, 862, 1000, 1250, 1724, 2000, 2155, 2500, 3448, 4310, 5000, 6896, 8620, 10000, 10775, 17240, 21550, 34480, 43100, 53875, 86200, 107750, 172400, 215500, 269375, 431000, 538750, 862000, 1077500, 2155000, 4310000]

約数ペア:

[(1, 4310000), (2, 2155000), (4, 1077500), (5, 862000), (8, 538750), (10, 431000), (16, 269375), (20, 215500), (25, 172400), (40, 107750), (50, 86200), (80, 53875), (100, 43100), (125, 34480), (200, 21550), (250, 17240), (400, 10775), (431, 10000), (500, 8620), (625, 6896), (862, 5000), (1000, 4310), (1250, 3448), (1724, 2500), (2000, 2155)]