917385550

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{6481}}^1$

素因数の和:6661

約数の個数: 48

約数和(自身を含む): 1808478000

約数和(自身を除く): 891092450

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 149, 190, 298, 475, 745, 950, 1490, 2831, 3725, 5662, 6481, 7450, 12962, 14155, 28310, 32405, 64810, 70775, 123139, 141550, 162025, 246278, 324050, 615695, 965669, 1231390, 1931338, 3078475, 4828345, 6156950, 9656690, 18347711, 24141725, 36695422, 48283450, 91738555, 183477110, 458692775, 917385550]

約数ペア:

[(1, 917385550), (2, 458692775), (5, 183477110), (10, 91738555), (19, 48283450), (25, 36695422), (38, 24141725), (50, 18347711), (95, 9656690), (149, 6156950), (190, 4828345), (298, 3078475), (475, 1931338), (745, 1231390), (950, 965669), (1490, 615695), (2831, 324050), (3725, 246278), (5662, 162025), (6481, 141550), (7450, 123139), (12962, 70775), (14155, 64810), (28310, 32405)]