280732328

素因数分解:

$2^3\times {\mathrm{101}}^1\times {\mathrm{157}}^1\times {\mathrm{2213}}^1$

素因数の和:2477

約数の個数: 32

約数和(自身を含む): 535212360

約数和(自身を除く): 254480032

約数列:

[1, 2, 4, 8, 101, 157, 202, 314, 404, 628, 808, 1256, 2213, 4426, 8852, 15857, 17704, 31714, 63428, 126856, 223513, 347441, 447026, 694882, 894052, 1389764, 1788104, 2779528, 35091541, 70183082, 140366164, 280732328]

約数ペア:

[(1, 280732328), (2, 140366164), (4, 70183082), (8, 35091541), (101, 2779528), (157, 1788104), (202, 1389764), (314, 894052), (404, 694882), (628, 447026), (808, 347441), (1256, 223513), (2213, 126856), (4426, 63428), (8852, 31714), (15857, 17704)]