9452500

素因数分解:

$2^2\times 5^4\times {\mathrm{19}}^1\times {\mathrm{199}}^1$

素因数の和:242

約数の個数: 60

約数和(自身を含む): 21868000

約数和(自身を除く): 12415500

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 125, 190, 199, 250, 380, 398, 475, 500, 625, 796, 950, 995, 1250, 1900, 1990, 2375, 2500, 3781, 3980, 4750, 4975, 7562, 9500, 9950, 11875, 15124, 18905, 19900, 23750, 24875, 37810, 47500, 49750, 75620, 94525, 99500, 124375, 189050, 248750, 378100, 472625, 497500, 945250, 1890500, 2363125, 4726250, 9452500]

約数ペア:

[(1, 9452500), (2, 4726250), (4, 2363125), (5, 1890500), (10, 945250), (19, 497500), (20, 472625), (25, 378100), (38, 248750), (50, 189050), (76, 124375), (95, 99500), (100, 94525), (125, 75620), (190, 49750), (199, 47500), (250, 37810), (380, 24875), (398, 23750), (475, 19900), (500, 18905), (625, 15124), (796, 11875), (950, 9950), (995, 9500), (1250, 7562), (1900, 4975), (1990, 4750), (2375, 3980), (2500, 3781)]