128927660

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{379199}}^1$

素因数の和:379225

約数の個数: 24

約数和(自身を含む): 286675200

約数和(自身を除く): 157747540

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 379199, 758398, 1516796, 1895995, 3791990, 6446383, 7583980, 12892766, 25785532, 32231915, 64463830, 128927660]

約数ペア:

[(1, 128927660), (2, 64463830), (4, 32231915), (5, 25785532), (10, 12892766), (17, 7583980), (20, 6446383), (34, 3791990), (68, 1895995), (85, 1516796), (170, 758398), (340, 379199)]