54950000

素因数分解:

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

素因数の和:197

約数の個数: 120

約数和(自身を含む): 153052704

約数和(自身を除く): 98102704

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 125, 140, 157, 175, 200, 250, 280, 314, 350, 400, 500, 560, 625, 628, 700, 785, 875, 1000, 1099, 1250, 1256, 1400, 1570, 1750, 2000, 2198, 2500, 2512, 2800, 3125, 3140, 3500, 3925, 4375, 4396, 5000, 5495, 6250, 6280, 7000, 7850, 8750, 8792, 10000, 10990, 12500, 12560, 14000, 15700, 17500, 17584, 19625, 21875, 21980, 25000, 27475, 31400, 35000, 39250, 43750, 43960, 50000, 54950, 62800, 70000, 78500, 87500, 87920, 98125, 109900, 137375, 157000, 175000, 196250, 219800, 274750, 314000, 350000, 392500, 439600, 490625, 549500, 686875, 785000, 981250, 1099000, 1373750, 1570000, 1962500, 2198000, 2747500, 3434375, 3925000, 5495000, 6868750, 7850000, 10990000, 13737500, 27475000, 54950000]

約数ペア:

[(1, 54950000), (2, 27475000), (4, 13737500), (5, 10990000), (7, 7850000), (8, 6868750), (10, 5495000), (14, 3925000), (16, 3434375), (20, 2747500), (25, 2198000), (28, 1962500), (35, 1570000), (40, 1373750), (50, 1099000), (56, 981250), (70, 785000), (80, 686875), (100, 549500), (112, 490625), (125, 439600), (140, 392500), (157, 350000), (175, 314000), (200, 274750), (250, 219800), (280, 196250), (314, 175000), (350, 157000), (400, 137375), (500, 109900), (560, 98125), (625, 87920), (628, 87500), (700, 78500), (785, 70000), (875, 62800), (1000, 54950), (1099, 50000), (1250, 43960), (1256, 43750), (1400, 39250), (1570, 35000), (1750, 31400), (2000, 27475), (2198, 25000), (2500, 21980), (2512, 21875), (2800, 19625), (3125, 17584), (3140, 17500), (3500, 15700), (3925, 14000), (4375, 12560), (4396, 12500), (5000, 10990), (5495, 10000), (6250, 8792), (6280, 8750), (7000, 7850)]