207905740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{64567}}^1$

素因数の和:64606

約数の個数: 48

約数和(自身を含む): 520676352

約数和(自身を除く): 312770612

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, 64567, 129134, 258268, 322835, 451969, 645670, 903938, 1291340, 1485041, 1807876, 2259845, 2970082, 4519690, 5940164, 7425205, 9039380, 10395287, 14850410, 20790574, 29700820, 41581148, 51976435, 103952870, 207905740]

約数ペア:

[(1, 207905740), (2, 103952870), (4, 51976435), (5, 41581148), (7, 29700820), (10, 20790574), (14, 14850410), (20, 10395287), (23, 9039380), (28, 7425205), (35, 5940164), (46, 4519690), (70, 2970082), (92, 2259845), (115, 1807876), (140, 1485041), (161, 1291340), (230, 903938), (322, 645670), (460, 451969), (644, 322835), (805, 258268), (1610, 129134), (3220, 64567)]