31330660

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2143}}^1$

素因数の和:2212

約数の個数: 48

約数和(自身を含む): 71318016

約数和(自身を除く): 39987356

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 85, 86, 170, 172, 215, 340, 430, 731, 860, 1462, 2143, 2924, 3655, 4286, 7310, 8572, 10715, 14620, 21430, 36431, 42860, 72862, 92149, 145724, 182155, 184298, 364310, 368596, 460745, 728620, 921490, 1566533, 1842980, 3133066, 6266132, 7832665, 15665330, 31330660]

約数ペア:

[(1, 31330660), (2, 15665330), (4, 7832665), (5, 6266132), (10, 3133066), (17, 1842980), (20, 1566533), (34, 921490), (43, 728620), (68, 460745), (85, 368596), (86, 364310), (170, 184298), (172, 182155), (215, 145724), (340, 92149), (430, 72862), (731, 42860), (860, 36431), (1462, 21430), (2143, 14620), (2924, 10715), (3655, 8572), (4286, 7310)]