259057960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{367}}^1\times {\mathrm{2521}}^1$

素因数の和:2906

約数の個数: 64

約数和(自身を含む): 668229120

約数和(自身を除く): 409171160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 367, 734, 1468, 1835, 2521, 2569, 2936, 3670, 5042, 5138, 7340, 10084, 10276, 12605, 12845, 14680, 17647, 20168, 20552, 25210, 25690, 35294, 50420, 51380, 70588, 88235, 100840, 102760, 141176, 176470, 352940, 705880, 925207, 1850414, 3700828, 4626035, 6476449, 7401656, 9252070, 12952898, 18504140, 25905796, 32382245, 37008280, 51811592, 64764490, 129528980, 259057960]

約数ペア:

[(1, 259057960), (2, 129528980), (4, 64764490), (5, 51811592), (7, 37008280), (8, 32382245), (10, 25905796), (14, 18504140), (20, 12952898), (28, 9252070), (35, 7401656), (40, 6476449), (56, 4626035), (70, 3700828), (140, 1850414), (280, 925207), (367, 705880), (734, 352940), (1468, 176470), (1835, 141176), (2521, 102760), (2569, 100840), (2936, 88235), (3670, 70588), (5042, 51380), (5138, 50420), (7340, 35294), (10084, 25690), (10276, 25210), (12605, 20552), (12845, 20168), (14680, 17647)]