904972400

素因数分解:

$2^4\times 5^2\times {\mathrm{199}}^1\times {\mathrm{11369}}^1$

素因数の和:11586

約数の個数: 60

約数和(自身を含む): 2185314000

約数和(自身を除く): 1280341600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 199, 200, 398, 400, 796, 995, 1592, 1990, 3184, 3980, 4975, 7960, 9950, 11369, 15920, 19900, 22738, 39800, 45476, 56845, 79600, 90952, 113690, 181904, 227380, 284225, 454760, 568450, 909520, 1136900, 2262431, 2273800, 4524862, 4547600, 9049724, 11312155, 18099448, 22624310, 36198896, 45248620, 56560775, 90497240, 113121550, 180994480, 226243100, 452486200, 904972400]

約数ペア:

[(1, 904972400), (2, 452486200), (4, 226243100), (5, 180994480), (8, 113121550), (10, 90497240), (16, 56560775), (20, 45248620), (25, 36198896), (40, 22624310), (50, 18099448), (80, 11312155), (100, 9049724), (199, 4547600), (200, 4524862), (398, 2273800), (400, 2262431), (796, 1136900), (995, 909520), (1592, 568450), (1990, 454760), (3184, 284225), (3980, 227380), (4975, 181904), (7960, 113690), (9950, 90952), (11369, 79600), (15920, 56845), (19900, 45476), (22738, 39800)]