139618400

素因数分解:

$2^5\times 5^2\times {\mathrm{199}}^1\times {\mathrm{877}}^1$

素因数の和:1096

約数の個数: 72

約数和(自身を含む): 342946800

約数和(自身を除く): 203328400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 199, 200, 398, 400, 796, 800, 877, 995, 1592, 1754, 1990, 3184, 3508, 3980, 4385, 4975, 6368, 7016, 7960, 8770, 9950, 14032, 15920, 17540, 19900, 21925, 28064, 31840, 35080, 39800, 43850, 70160, 79600, 87700, 140320, 159200, 174523, 175400, 349046, 350800, 698092, 701600, 872615, 1396184, 1745230, 2792368, 3490460, 4363075, 5584736, 6980920, 8726150, 13961840, 17452300, 27923680, 34904600, 69809200, 139618400]

約数ペア:

[(1, 139618400), (2, 69809200), (4, 34904600), (5, 27923680), (8, 17452300), (10, 13961840), (16, 8726150), (20, 6980920), (25, 5584736), (32, 4363075), (40, 3490460), (50, 2792368), (80, 1745230), (100, 1396184), (160, 872615), (199, 701600), (200, 698092), (398, 350800), (400, 349046), (796, 175400), (800, 174523), (877, 159200), (995, 140320), (1592, 87700), (1754, 79600), (1990, 70160), (3184, 43850), (3508, 39800), (3980, 35080), (4385, 31840), (4975, 28064), (6368, 21925), (7016, 19900), (7960, 17540), (8770, 15920), (9950, 14032)]