200910400

素因数分解:

$2^6\times 5^2\times {\mathrm{199}}^1\times {\mathrm{631}}^1$

素因数の和:852

約数の個数: 84

約数和(自身を含む): 497636800

約数和(自身を除く): 296726400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 199, 200, 320, 398, 400, 631, 796, 800, 995, 1262, 1592, 1600, 1990, 2524, 3155, 3184, 3980, 4975, 5048, 6310, 6368, 7960, 9950, 10096, 12620, 12736, 15775, 15920, 19900, 20192, 25240, 31550, 31840, 39800, 40384, 50480, 63100, 63680, 79600, 100960, 125569, 126200, 159200, 201920, 251138, 252400, 318400, 502276, 504800, 627845, 1004552, 1009600, 1255690, 2009104, 2511380, 3139225, 4018208, 5022760, 6278450, 8036416, 10045520, 12556900, 20091040, 25113800, 40182080, 50227600, 100455200, 200910400]

約数ペア:

[(1, 200910400), (2, 100455200), (4, 50227600), (5, 40182080), (8, 25113800), (10, 20091040), (16, 12556900), (20, 10045520), (25, 8036416), (32, 6278450), (40, 5022760), (50, 4018208), (64, 3139225), (80, 2511380), (100, 2009104), (160, 1255690), (199, 1009600), (200, 1004552), (320, 627845), (398, 504800), (400, 502276), (631, 318400), (796, 252400), (800, 251138), (995, 201920), (1262, 159200), (1592, 126200), (1600, 125569), (1990, 100960), (2524, 79600), (3155, 63680), (3184, 63100), (3980, 50480), (4975, 40384), (5048, 39800), (6310, 31840), (6368, 31550), (7960, 25240), (9950, 20192), (10096, 19900), (12620, 15920), (12736, 15775)]