394724740

素因数分解:

$2^2\times 5^1\times {\mathrm{479}}^1\times {\mathrm{41203}}^1$

素因数の和:41691

約数の個数: 24

約数和(自身を含む): 830672640

約数和(自身を除く): 435947900

約数列:

[1, 2, 4, 5, 10, 20, 479, 958, 1916, 2395, 4790, 9580, 41203, 82406, 164812, 206015, 412030, 824060, 19736237, 39472474, 78944948, 98681185, 197362370, 394724740]

約数ペア:

[(1, 394724740), (2, 197362370), (4, 98681185), (5, 78944948), (10, 39472474), (20, 19736237), (479, 824060), (958, 412030), (1916, 206015), (2395, 164812), (4790, 82406), (9580, 41203)]