42782180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{4561}}^1$

素因数の和:4644

約数の個数: 48

約数和(自身を含む): 104232576

約数和(自身を除く): 61450396

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 67, 70, 134, 140, 268, 335, 469, 670, 938, 1340, 1876, 2345, 4561, 4690, 9122, 9380, 18244, 22805, 31927, 45610, 63854, 91220, 127708, 159635, 305587, 319270, 611174, 638540, 1222348, 1527935, 2139109, 3055870, 4278218, 6111740, 8556436, 10695545, 21391090, 42782180]

約数ペア:

[(1, 42782180), (2, 21391090), (4, 10695545), (5, 8556436), (7, 6111740), (10, 4278218), (14, 3055870), (20, 2139109), (28, 1527935), (35, 1222348), (67, 638540), (70, 611174), (134, 319270), (140, 305587), (268, 159635), (335, 127708), (469, 91220), (670, 63854), (938, 45610), (1340, 31927), (1876, 22805), (2345, 18244), (4561, 9380), (4690, 9122)]