201776800

素因数分解:

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

素因数の和:1142

約数の個数: 72

約数和(自身を含む): 494780832

約数和(自身を除く): 293004032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 311, 400, 622, 800, 811, 1244, 1555, 1622, 2488, 3110, 3244, 4055, 4976, 6220, 6488, 7775, 8110, 9952, 12440, 12976, 15550, 16220, 20275, 24880, 25952, 31100, 32440, 40550, 49760, 62200, 64880, 81100, 124400, 129760, 162200, 248800, 252221, 324400, 504442, 648800, 1008884, 1261105, 2017768, 2522210, 4035536, 5044420, 6305525, 8071072, 10088840, 12611050, 20177680, 25222100, 40355360, 50444200, 100888400, 201776800]

約数ペア:

[(1, 201776800), (2, 100888400), (4, 50444200), (5, 40355360), (8, 25222100), (10, 20177680), (16, 12611050), (20, 10088840), (25, 8071072), (32, 6305525), (40, 5044420), (50, 4035536), (80, 2522210), (100, 2017768), (160, 1261105), (200, 1008884), (311, 648800), (400, 504442), (622, 324400), (800, 252221), (811, 248800), (1244, 162200), (1555, 129760), (1622, 124400), (2488, 81100), (3110, 64880), (3244, 62200), (4055, 49760), (4976, 40550), (6220, 32440), (6488, 31100), (7775, 25952), (8110, 24880), (9952, 20275), (12440, 16220), (12976, 15550)]