30894890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{101}}^1\times {\mathrm{181}}^1$

素因数の和:315

約数の個数: 48

約数和(自身を含む): 61149816

約数和(自身を除く): 30254926

約数列:

[1, 2, 5, 10, 13, 26, 65, 101, 130, 169, 181, 202, 338, 362, 505, 845, 905, 1010, 1313, 1690, 1810, 2353, 2626, 4706, 6565, 11765, 13130, 17069, 18281, 23530, 30589, 34138, 36562, 61178, 85345, 91405, 152945, 170690, 182810, 237653, 305890, 475306, 1188265, 2376530, 3089489, 6178978, 15447445, 30894890]

約数ペア:

[(1, 30894890), (2, 15447445), (5, 6178978), (10, 3089489), (13, 2376530), (26, 1188265), (65, 475306), (101, 305890), (130, 237653), (169, 182810), (181, 170690), (202, 152945), (338, 91405), (362, 85345), (505, 61178), (845, 36562), (905, 34138), (1010, 30589), (1313, 23530), (1690, 18281), (1810, 17069), (2353, 13130), (2626, 11765), (4706, 6565)]