4159100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1$

素因数の和:243

約数の個数: 72

約数和(自身を含む): 10416000

約数和(自身を除く): 6256900

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 25, 38, 44, 50, 55, 76, 95, 100, 110, 190, 199, 209, 220, 275, 380, 398, 418, 475, 550, 796, 836, 950, 995, 1045, 1100, 1900, 1990, 2090, 2189, 3781, 3980, 4180, 4378, 4975, 5225, 7562, 8756, 9950, 10450, 10945, 15124, 18905, 19900, 20900, 21890, 37810, 41591, 43780, 54725, 75620, 83182, 94525, 109450, 166364, 189050, 207955, 218900, 378100, 415910, 831820, 1039775, 2079550, 4159100]

約数ペア:

[(1, 4159100), (2, 2079550), (4, 1039775), (5, 831820), (10, 415910), (11, 378100), (19, 218900), (20, 207955), (22, 189050), (25, 166364), (38, 109450), (44, 94525), (50, 83182), (55, 75620), (76, 54725), (95, 43780), (100, 41591), (110, 37810), (190, 21890), (199, 20900), (209, 19900), (220, 18905), (275, 15124), (380, 10945), (398, 10450), (418, 9950), (475, 8756), (550, 7562), (796, 5225), (836, 4975), (950, 4378), (995, 4180), (1045, 3980), (1100, 3781), (1900, 2189), (1990, 2090)]