139080340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{993431}}^1$

素因数の和:993447

約数の個数: 24

約数和(自身を含む): 333793152

約数和(自身を除く): 194712812

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 993431, 1986862, 3973724, 4967155, 6954017, 9934310, 13908034, 19868620, 27816068, 34770085, 69540170, 139080340]

約数ペア:

[(1, 139080340), (2, 69540170), (4, 34770085), (5, 27816068), (7, 19868620), (10, 13908034), (14, 9934310), (20, 6954017), (28, 4967155), (35, 3973724), (70, 1986862), (140, 993431)]