218916220

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{266971}}^1$

素因数の和:267021

約数の個数: 24

約数和(自身を含む): 470938608

約数和(自身を除く): 252022388

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 266971, 533942, 1067884, 1334855, 2669710, 5339420, 10945811, 21891622, 43783244, 54729055, 109458110, 218916220]

約数ペア:

[(1, 218916220), (2, 109458110), (4, 54729055), (5, 43783244), (10, 21891622), (20, 10945811), (41, 5339420), (82, 2669710), (164, 1334855), (205, 1067884), (410, 533942), (820, 266971)]