1278740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3761}}^1$

素因数の和:3787

約数の個数: 24

約数和(自身を含む): 2844072

約数和(自身を除く): 1565332

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 3761, 7522, 15044, 18805, 37610, 63937, 75220, 127874, 255748, 319685, 639370, 1278740]

約数ペア:

[(1, 1278740), (2, 639370), (4, 319685), (5, 255748), (10, 127874), (17, 75220), (20, 63937), (34, 37610), (68, 18805), (85, 15044), (170, 7522), (340, 3761)]