30905660

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{5347}}^1$

素因数の和:5390

約数の個数: 36

約数和(自身を含む): 68957112

約数和(自身を除く): 38051452

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2890, 5347, 5780, 10694, 21388, 26735, 53470, 90899, 106940, 181798, 363596, 454495, 908990, 1545283, 1817980, 3090566, 6181132, 7726415, 15452830, 30905660]

約数ペア:

[(1, 30905660), (2, 15452830), (4, 7726415), (5, 6181132), (10, 3090566), (17, 1817980), (20, 1545283), (34, 908990), (68, 454495), (85, 363596), (170, 181798), (289, 106940), (340, 90899), (578, 53470), (1156, 26735), (1445, 21388), (2890, 10694), (5347, 5780)]