138145420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{26669}}^1$

素因数の和:26722

約数の個数: 48

約数和(自身を含む): 340522560

約数和(自身を除く): 202377140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 5180, 26669, 53338, 106676, 133345, 186683, 266690, 373366, 533380, 746732, 933415, 986753, 1866830, 1973506, 3733660, 3947012, 4933765, 6907271, 9867530, 13814542, 19735060, 27629084, 34536355, 69072710, 138145420]

約数ペア:

[(1, 138145420), (2, 69072710), (4, 34536355), (5, 27629084), (7, 19735060), (10, 13814542), (14, 9867530), (20, 6907271), (28, 4933765), (35, 3947012), (37, 3733660), (70, 1973506), (74, 1866830), (140, 986753), (148, 933415), (185, 746732), (259, 533380), (370, 373366), (518, 266690), (740, 186683), (1036, 133345), (1295, 106676), (2590, 53338), (5180, 26669)]