1879990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{251}}^1$

素因数の和:372

約数の個数: 32

約数和(自身を含む): 3919104

約数和(自身を除く): 2039114

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 107, 214, 251, 502, 535, 749, 1070, 1255, 1498, 1757, 2510, 3514, 3745, 7490, 8785, 17570, 26857, 53714, 134285, 187999, 268570, 375998, 939995, 1879990]

約数ペア:

[(1, 1879990), (2, 939995), (5, 375998), (7, 268570), (10, 187999), (14, 134285), (35, 53714), (70, 26857), (107, 17570), (214, 8785), (251, 7490), (502, 3745), (535, 3514), (749, 2510), (1070, 1757), (1255, 1498)]