231644840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{827303}}^1$

素因数の和:827321

約数の個数: 32

約数和(自身を含む): 595658880

約数和(自身を除く): 364014040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 827303, 1654606, 3309212, 4136515, 5791121, 6618424, 8273030, 11582242, 16546060, 23164484, 28955605, 33092120, 46328968, 57911210, 115822420, 231644840]

約数ペア:

[(1, 231644840), (2, 115822420), (4, 57911210), (5, 46328968), (7, 33092120), (8, 28955605), (10, 23164484), (14, 16546060), (20, 11582242), (28, 8273030), (35, 6618424), (40, 5791121), (56, 4136515), (70, 3309212), (140, 1654606), (280, 827303)]