1345440770

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{13633}}^1$

素因数の和:13850

約数の個数: 32

約数和(自身を含む): 2473752960

約数和(自身を除く): 1128312190

約数列:

[1, 2, 5, 10, 71, 139, 142, 278, 355, 695, 710, 1390, 9869, 13633, 19738, 27266, 49345, 68165, 98690, 136330, 967943, 1894987, 1935886, 3789974, 4839715, 9474935, 9679430, 18949870, 134544077, 269088154, 672720385, 1345440770]

約数ペア:

[(1, 1345440770), (2, 672720385), (5, 269088154), (10, 134544077), (71, 18949870), (139, 9679430), (142, 9474935), (278, 4839715), (355, 3789974), (695, 1935886), (710, 1894987), (1390, 967943), (9869, 136330), (13633, 98690), (19738, 68165), (27266, 49345)]