68615200

素因数分解:

$2^5\times 5^2\times {\mathrm{199}}^1\times {\mathrm{431}}^1$

素因数の和:650

約数の個数: 72

約数和(自身を含む): 168739200

約数和(自身を除く): 100124000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 199, 200, 398, 400, 431, 796, 800, 862, 995, 1592, 1724, 1990, 2155, 3184, 3448, 3980, 4310, 4975, 6368, 6896, 7960, 8620, 9950, 10775, 13792, 15920, 17240, 19900, 21550, 31840, 34480, 39800, 43100, 68960, 79600, 85769, 86200, 159200, 171538, 172400, 343076, 344800, 428845, 686152, 857690, 1372304, 1715380, 2144225, 2744608, 3430760, 4288450, 6861520, 8576900, 13723040, 17153800, 34307600, 68615200]

約数ペア:

[(1, 68615200), (2, 34307600), (4, 17153800), (5, 13723040), (8, 8576900), (10, 6861520), (16, 4288450), (20, 3430760), (25, 2744608), (32, 2144225), (40, 1715380), (50, 1372304), (80, 857690), (100, 686152), (160, 428845), (199, 344800), (200, 343076), (398, 172400), (400, 171538), (431, 159200), (796, 86200), (800, 85769), (862, 79600), (995, 68960), (1592, 43100), (1724, 39800), (1990, 34480), (2155, 31840), (3184, 21550), (3448, 19900), (3980, 17240), (4310, 15920), (4975, 13792), (6368, 10775), (6896, 9950), (7960, 8620)]