39994990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{5657}}^1$

素因数の和:5772

約数の個数: 32

約数和(自身を含む): 83104704

約数和(自身を除く): 43109714

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 101, 202, 505, 707, 1010, 1414, 3535, 5657, 7070, 11314, 28285, 39599, 56570, 79198, 197995, 395990, 571357, 1142714, 2856785, 3999499, 5713570, 7998998, 19997495, 39994990]

約数ペア:

[(1, 39994990), (2, 19997495), (5, 7998998), (7, 5713570), (10, 3999499), (14, 2856785), (35, 1142714), (70, 571357), (101, 395990), (202, 197995), (505, 79198), (707, 56570), (1010, 39599), (1414, 28285), (3535, 11314), (5657, 7070)]