3130000

素因数分解:

$2^4\times 5^4\times {\mathrm{313}}^1$

素因数の和:341

約数の個数: 50

約数和(自身を含む): 7602254

約数和(自身を除く): 4472254

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 313, 400, 500, 625, 626, 1000, 1250, 1252, 1565, 2000, 2500, 2504, 3130, 5000, 5008, 6260, 7825, 10000, 12520, 15650, 25040, 31300, 39125, 62600, 78250, 125200, 156500, 195625, 313000, 391250, 626000, 782500, 1565000, 3130000]

約数ペア:

[(1, 3130000), (2, 1565000), (4, 782500), (5, 626000), (8, 391250), (10, 313000), (16, 195625), (20, 156500), (25, 125200), (40, 78250), (50, 62600), (80, 39125), (100, 31300), (125, 25040), (200, 15650), (250, 12520), (313, 10000), (400, 7825), (500, 6260), (625, 5008), (626, 5000), (1000, 3130), (1250, 2504), (1252, 2500), (1565, 2000)]