89901800

素因数分解:

$2^3\times 5^2\times {\mathrm{61}}^1\times {\mathrm{7369}}^1$

素因数の和:7446

約数の個数: 48

約数和(自身を含む): 212477100

約数和(自身を除く): 122575300

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 61, 100, 122, 200, 244, 305, 488, 610, 1220, 1525, 2440, 3050, 6100, 7369, 12200, 14738, 29476, 36845, 58952, 73690, 147380, 184225, 294760, 368450, 449509, 736900, 899018, 1473800, 1798036, 2247545, 3596072, 4495090, 8990180, 11237725, 17980360, 22475450, 44950900, 89901800]

約数ペア:

[(1, 89901800), (2, 44950900), (4, 22475450), (5, 17980360), (8, 11237725), (10, 8990180), (20, 4495090), (25, 3596072), (40, 2247545), (50, 1798036), (61, 1473800), (100, 899018), (122, 736900), (200, 449509), (244, 368450), (305, 294760), (488, 184225), (610, 147380), (1220, 73690), (1525, 58952), (2440, 36845), (3050, 29476), (6100, 14738), (7369, 12200)]