215569340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{66947}}^1$

素因数の和:66986

約数の個数: 48

約数和(自身を含む): 539868672

約数和(自身を除く): 324299332

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 66947, 133894, 267788, 334735, 468629, 669470, 937258, 1338940, 1539781, 1874516, 2343145, 3079562, 4686290, 6159124, 7698905, 9372580, 10778467, 15397810, 21556934, 30795620, 43113868, 53892335, 107784670, 215569340]

約数ペア:

[(1, 215569340), (2, 107784670), (4, 53892335), (5, 43113868), (7, 30795620), (10, 21556934), (14, 15397810), (20, 10778467), (23, 9372580), (28, 7698905), (35, 6159124), (46, 4686290), (70, 3079562), (92, 2343145), (115, 1874516), (140, 1539781), (161, 1338940), (230, 937258), (322, 669470), (460, 468629), (644, 334735), (805, 267788), (1610, 133894), (3220, 66947)]