27914900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1$

素因数の和:333

約数の個数: 72

約数和(自身を含む): 66167640

約数和(自身を除く): 38252740

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 109, 130, 197, 218, 260, 325, 394, 436, 545, 650, 788, 985, 1090, 1300, 1417, 1970, 2180, 2561, 2725, 2834, 3940, 4925, 5122, 5450, 5668, 7085, 9850, 10244, 10900, 12805, 14170, 19700, 21473, 25610, 28340, 35425, 42946, 51220, 64025, 70850, 85892, 107365, 128050, 141700, 214730, 256100, 279149, 429460, 536825, 558298, 1073650, 1116596, 1395745, 2147300, 2791490, 5582980, 6978725, 13957450, 27914900]

約数ペア:

[(1, 27914900), (2, 13957450), (4, 6978725), (5, 5582980), (10, 2791490), (13, 2147300), (20, 1395745), (25, 1116596), (26, 1073650), (50, 558298), (52, 536825), (65, 429460), (100, 279149), (109, 256100), (130, 214730), (197, 141700), (218, 128050), (260, 107365), (325, 85892), (394, 70850), (436, 64025), (545, 51220), (650, 42946), (788, 35425), (985, 28340), (1090, 25610), (1300, 21473), (1417, 19700), (1970, 14170), (2180, 12805), (2561, 10900), (2725, 10244), (2834, 9850), (3940, 7085), (4925, 5668), (5122, 5450)]