3140000

素因数分解:

$2^5\times 5^4\times {\mathrm{157}}^1$

素因数の和:187

約数の個数: 60

約数和(自身を含む): 7774074

約数和(自身を除く): 4634074

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 157, 160, 200, 250, 314, 400, 500, 625, 628, 785, 800, 1000, 1250, 1256, 1570, 2000, 2500, 2512, 3140, 3925, 4000, 5000, 5024, 6280, 7850, 10000, 12560, 15700, 19625, 20000, 25120, 31400, 39250, 62800, 78500, 98125, 125600, 157000, 196250, 314000, 392500, 628000, 785000, 1570000, 3140000]

約数ペア:

[(1, 3140000), (2, 1570000), (4, 785000), (5, 628000), (8, 392500), (10, 314000), (16, 196250), (20, 157000), (25, 125600), (32, 98125), (40, 78500), (50, 62800), (80, 39250), (100, 31400), (125, 25120), (157, 20000), (160, 19625), (200, 15700), (250, 12560), (314, 10000), (400, 7850), (500, 6280), (625, 5024), (628, 5000), (785, 4000), (800, 3925), (1000, 3140), (1250, 2512), (1256, 2500), (1570, 2000)]