2801500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{431}}^1$

素因数の和:463

約数の個数: 48

約数和(自身を含む): 6604416

約数和(自身を除く): 3802916

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 431, 500, 650, 862, 1300, 1625, 1724, 2155, 3250, 4310, 5603, 6500, 8620, 10775, 11206, 21550, 22412, 28015, 43100, 53875, 56030, 107750, 112060, 140075, 215500, 280150, 560300, 700375, 1400750, 2801500]

約数ペア:

[(1, 2801500), (2, 1400750), (4, 700375), (5, 560300), (10, 280150), (13, 215500), (20, 140075), (25, 112060), (26, 107750), (50, 56030), (52, 53875), (65, 43100), (100, 28015), (125, 22412), (130, 21550), (250, 11206), (260, 10775), (325, 8620), (431, 6500), (500, 5603), (650, 4310), (862, 3250), (1300, 2155), (1625, 1724)]