206125020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{381713}}^1$

素因数の和:381731

約数の個数: 48

約数和(自身を含む): 641279520

約数和(自身を除く): 435154500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 381713, 763426, 1145139, 1526852, 1908565, 2290278, 3435417, 3817130, 4580556, 5725695, 6870834, 7634260, 10306251, 11451390, 13741668, 17177085, 20612502, 22902780, 34354170, 41225004, 51531255, 68708340, 103062510, 206125020]

約数ペア:

[(1, 206125020), (2, 103062510), (3, 68708340), (4, 51531255), (5, 41225004), (6, 34354170), (9, 22902780), (10, 20612502), (12, 17177085), (15, 13741668), (18, 11451390), (20, 10306251), (27, 7634260), (30, 6870834), (36, 5725695), (45, 4580556), (54, 3817130), (60, 3435417), (90, 2290278), (108, 1908565), (135, 1526852), (180, 1145139), (270, 763426), (540, 381713)]