215517160

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{316937}}^1$

素因数の和:316965

約数の個数: 32

約数和(自身を含む): 513439560

約数和(自身を除く): 297922400

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 316937, 633874, 1267748, 1584685, 2535496, 3169370, 5387929, 6338740, 10775858, 12677480, 21551716, 26939645, 43103432, 53879290, 107758580, 215517160]

約数ペア:

[(1, 215517160), (2, 107758580), (4, 53879290), (5, 43103432), (8, 26939645), (10, 21551716), (17, 12677480), (20, 10775858), (34, 6338740), (40, 5387929), (68, 3169370), (85, 2535496), (136, 1584685), (170, 1267748), (340, 633874), (680, 316937)]