408907930

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{479}}^1\times {\mathrm{4493}}^1$

素因数の和:4998

約数の個数: 32

約数和(自身を含む): 776563200

約数和(自身を除く): 367655270

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 479, 958, 2395, 4493, 4790, 8986, 9101, 18202, 22465, 44930, 45505, 85367, 91010, 170734, 426835, 853670, 2152147, 4304294, 10760735, 21521470, 40890793, 81781586, 204453965, 408907930]

約数ペア:

[(1, 408907930), (2, 204453965), (5, 81781586), (10, 40890793), (19, 21521470), (38, 10760735), (95, 4304294), (190, 2152147), (479, 853670), (958, 426835), (2395, 170734), (4493, 91010), (4790, 85367), (8986, 45505), (9101, 44930), (18202, 22465)]