385084840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1375303}}^1$

素因数の和:1375321

約数の個数: 32

約数和(自身を含む): 990218880

約数和(自身を除く): 605134040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1375303, 2750606, 5501212, 6876515, 9627121, 11002424, 13753030, 19254242, 27506060, 38508484, 48135605, 55012120, 77016968, 96271210, 192542420, 385084840]

約数ペア:

[(1, 385084840), (2, 192542420), (4, 96271210), (5, 77016968), (7, 55012120), (8, 48135605), (10, 38508484), (14, 27506060), (20, 19254242), (28, 13753030), (35, 11002424), (40, 9627121), (56, 6876515), (70, 5501212), (140, 2750606), (280, 1375303)]