261736780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29947}}^1$

素因数の和:29998

約数の個数: 48

約数和(自身を含む): 603751680

約数和(自身を除く): 342014900

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 380, 437, 460, 874, 1748, 2185, 4370, 8740, 29947, 59894, 119788, 149735, 299470, 568993, 598940, 688781, 1137986, 1377562, 2275972, 2755124, 2844965, 3443905, 5689930, 6887810, 11379860, 13086839, 13775620, 26173678, 52347356, 65434195, 130868390, 261736780]

約数ペア:

[(1, 261736780), (2, 130868390), (4, 65434195), (5, 52347356), (10, 26173678), (19, 13775620), (20, 13086839), (23, 11379860), (38, 6887810), (46, 5689930), (76, 3443905), (92, 2844965), (95, 2755124), (115, 2275972), (190, 1377562), (230, 1137986), (380, 688781), (437, 598940), (460, 568993), (874, 299470), (1748, 149735), (2185, 119788), (4370, 59894), (8740, 29947)]