210202280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{309121}}^1$

素因数の和:309149

約数の個数: 32

約数和(自身を含む): 500777640

約数和(自身を除く): 290575360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 309121, 618242, 1236484, 1545605, 2472968, 3091210, 5255057, 6182420, 10510114, 12364840, 21020228, 26275285, 42040456, 52550570, 105101140, 210202280]

約数ペア:

[(1, 210202280), (2, 105101140), (4, 52550570), (5, 42040456), (8, 26275285), (10, 21020228), (17, 12364840), (20, 10510114), (34, 6182420), (40, 5255057), (68, 3091210), (85, 2472968), (136, 1545605), (170, 1236484), (340, 618242), (680, 309121)]