218939180

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{266999}}^1$

素因数の和:267049

約数の個数: 24

約数和(自身を含む): 470988000

約数和(自身を除く): 252048820

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 266999, 533998, 1067996, 1334995, 2669990, 5339980, 10946959, 21893918, 43787836, 54734795, 109469590, 218939180]

約数ペア:

[(1, 218939180), (2, 109469590), (4, 54734795), (5, 43787836), (10, 21893918), (20, 10946959), (41, 5339980), (82, 2669990), (164, 1334995), (205, 1067996), (410, 533998), (820, 266999)]