128643250

素因数分解:

$2^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{30269}}^1$

素因数の和:30303

約数の個数: 32

約数和(自身を含む): 254994480

約数和(自身を除く): 126351230

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 125, 170, 250, 425, 850, 2125, 4250, 30269, 60538, 151345, 302690, 514573, 756725, 1029146, 1513450, 2572865, 3783625, 5145730, 7567250, 12864325, 25728650, 64321625, 128643250]

約数ペア:

[(1, 128643250), (2, 64321625), (5, 25728650), (10, 12864325), (17, 7567250), (25, 5145730), (34, 3783625), (50, 2572865), (85, 1513450), (125, 1029146), (170, 756725), (250, 514573), (425, 302690), (850, 151345), (2125, 60538), (4250, 30269)]