144424840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{515803}}^1$

素因数の和:515821

約数の個数: 32

約数和(自身を含む): 371378880

約数和(自身を除く): 226954040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 515803, 1031606, 2063212, 2579015, 3610621, 4126424, 5158030, 7221242, 10316060, 14442484, 18053105, 20632120, 28884968, 36106210, 72212420, 144424840]

約数ペア:

[(1, 144424840), (2, 72212420), (4, 36106210), (5, 28884968), (7, 20632120), (8, 18053105), (10, 14442484), (14, 10316060), (20, 7221242), (28, 5158030), (35, 4126424), (40, 3610621), (56, 2579015), (70, 2063212), (140, 1031606), (280, 515803)]