154940660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{2521}}^1$

素因数の和:2976

約数の個数: 48

約数和(自身を含む): 372852480

約数和(自身を除く): 217911820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 439, 878, 1756, 2195, 2521, 3073, 4390, 5042, 6146, 8780, 10084, 12292, 12605, 15365, 17647, 25210, 30730, 35294, 50420, 61460, 70588, 88235, 176470, 352940, 1106719, 2213438, 4426876, 5533595, 7747033, 11067190, 15494066, 22134380, 30988132, 38735165, 77470330, 154940660]

約数ペア:

[(1, 154940660), (2, 77470330), (4, 38735165), (5, 30988132), (7, 22134380), (10, 15494066), (14, 11067190), (20, 7747033), (28, 5533595), (35, 4426876), (70, 2213438), (140, 1106719), (439, 352940), (878, 176470), (1756, 88235), (2195, 70588), (2521, 61460), (3073, 50420), (4390, 35294), (5042, 30730), (6146, 25210), (8780, 17647), (10084, 15365), (12292, 12605)]