31425860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{5437}}^1$

素因数の和:5480

約数の個数: 36

約数和(自身を含む): 70117572

約数和(自身を除く): 38691712

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2890, 5437, 5780, 10874, 21748, 27185, 54370, 92429, 108740, 184858, 369716, 462145, 924290, 1571293, 1848580, 3142586, 6285172, 7856465, 15712930, 31425860]

約数ペア:

[(1, 31425860), (2, 15712930), (4, 7856465), (5, 6285172), (10, 3142586), (17, 1848580), (20, 1571293), (34, 924290), (68, 462145), (85, 369716), (170, 184858), (289, 108740), (340, 92429), (578, 54370), (1156, 27185), (1445, 21748), (2890, 10874), (5437, 5780)]