408340

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1201}}^1$

素因数の和:1227

約数の個数: 24

約数和(自身を含む): 908712

約数和(自身を除く): 500372

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 1201, 2402, 4804, 6005, 12010, 20417, 24020, 40834, 81668, 102085, 204170, 408340]

約数ペア:

[(1, 408340), (2, 204170), (4, 102085), (5, 81668), (10, 40834), (17, 24020), (20, 20417), (34, 12010), (68, 6005), (85, 4804), (170, 2402), (340, 1201)]