138897010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{25117}}^1$

素因数の和:25210

約数の個数: 32

約数和(自身を含む): 289359360

約数和(自身を除く): 150462350

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 79, 158, 395, 553, 790, 1106, 2765, 5530, 25117, 50234, 125585, 175819, 251170, 351638, 879095, 1758190, 1984243, 3968486, 9921215, 13889701, 19842430, 27779402, 69448505, 138897010]

約数ペア:

[(1, 138897010), (2, 69448505), (5, 27779402), (7, 19842430), (10, 13889701), (14, 9921215), (35, 3968486), (70, 1984243), (79, 1758190), (158, 879095), (395, 351638), (553, 251170), (790, 175819), (1106, 125585), (2765, 50234), (5530, 25117)]