27800300

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{199}}^1$

素因数の和:351

約数の個数: 72

約数和(自身を含む): 66662400

約数和(自身を除く): 38862100

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 127, 199, 220, 254, 275, 398, 508, 550, 635, 796, 995, 1100, 1270, 1397, 1990, 2189, 2540, 2794, 3175, 3980, 4378, 4975, 5588, 6350, 6985, 8756, 9950, 10945, 12700, 13970, 19900, 21890, 25273, 27940, 34925, 43780, 50546, 54725, 69850, 101092, 109450, 126365, 139700, 218900, 252730, 278003, 505460, 556006, 631825, 1112012, 1263650, 1390015, 2527300, 2780030, 5560060, 6950075, 13900150, 27800300]

約数ペア:

[(1, 27800300), (2, 13900150), (4, 6950075), (5, 5560060), (10, 2780030), (11, 2527300), (20, 1390015), (22, 1263650), (25, 1112012), (44, 631825), (50, 556006), (55, 505460), (100, 278003), (110, 252730), (127, 218900), (199, 139700), (220, 126365), (254, 109450), (275, 101092), (398, 69850), (508, 54725), (550, 50546), (635, 43780), (796, 34925), (995, 27940), (1100, 25273), (1270, 21890), (1397, 19900), (1990, 13970), (2189, 12700), (2540, 10945), (2794, 9950), (3175, 8756), (3980, 6985), (4378, 6350), (4975, 5588)]