2749208900

素因数分解:

$2^2\times 5^2\times {\mathrm{109}}^1\times {\mathrm{311}}^1\times {\mathrm{811}}^1$

素因数の和:1245

約数の個数: 72

約数和(自身を含む): 6047321280

約数和(自身を除く): 3298112380

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 109, 218, 311, 436, 545, 622, 811, 1090, 1244, 1555, 1622, 2180, 2725, 3110, 3244, 4055, 5450, 6220, 7775, 8110, 10900, 15550, 16220, 20275, 31100, 33899, 40550, 67798, 81100, 88399, 135596, 169495, 176798, 252221, 338990, 353596, 441995, 504442, 677980, 847475, 883990, 1008884, 1261105, 1694950, 1767980, 2209975, 2522210, 3389900, 4419950, 5044420, 6305525, 8839900, 12611050, 25222100, 27492089, 54984178, 109968356, 137460445, 274920890, 549841780, 687302225, 1374604450, 2749208900]

約数ペア:

[(1, 2749208900), (2, 1374604450), (4, 687302225), (5, 549841780), (10, 274920890), (20, 137460445), (25, 109968356), (50, 54984178), (100, 27492089), (109, 25222100), (218, 12611050), (311, 8839900), (436, 6305525), (545, 5044420), (622, 4419950), (811, 3389900), (1090, 2522210), (1244, 2209975), (1555, 1767980), (1622, 1694950), (2180, 1261105), (2725, 1008884), (3110, 883990), (3244, 847475), (4055, 677980), (5450, 504442), (6220, 441995), (7775, 353596), (8110, 338990), (10900, 252221), (15550, 176798), (16220, 169495), (20275, 135596), (31100, 88399), (33899, 81100), (40550, 67798)]