2747500

素因数分解:

$2^2\times 5^4\times 7^1\times {\mathrm{157}}^1$

素因数の和:188

約数の個数: 60

約数和(自身を含む): 6910288

約数和(自身を除く): 4162788

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 140, 157, 175, 250, 314, 350, 500, 625, 628, 700, 785, 875, 1099, 1250, 1570, 1750, 2198, 2500, 3140, 3500, 3925, 4375, 4396, 5495, 7850, 8750, 10990, 15700, 17500, 19625, 21980, 27475, 39250, 54950, 78500, 98125, 109900, 137375, 196250, 274750, 392500, 549500, 686875, 1373750, 2747500]

約数ペア:

[(1, 2747500), (2, 1373750), (4, 686875), (5, 549500), (7, 392500), (10, 274750), (14, 196250), (20, 137375), (25, 109900), (28, 98125), (35, 78500), (50, 54950), (70, 39250), (100, 27475), (125, 21980), (140, 19625), (157, 17500), (175, 15700), (250, 10990), (314, 8750), (350, 7850), (500, 5495), (625, 4396), (628, 4375), (700, 3925), (785, 3500), (875, 3140), (1099, 2500), (1250, 2198), (1570, 1750)]