2495990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{197}}^1$

素因数の和:392

約数の個数: 32

約数和(自身を含む): 5189184

約数和(自身を除く): 2693194

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 181, 197, 362, 394, 905, 985, 1267, 1379, 1810, 1970, 2534, 2758, 6335, 6895, 12670, 13790, 35657, 71314, 178285, 249599, 356570, 499198, 1247995, 2495990]

約数ペア:

[(1, 2495990), (2, 1247995), (5, 499198), (7, 356570), (10, 249599), (14, 178285), (35, 71314), (70, 35657), (181, 13790), (197, 12670), (362, 6895), (394, 6335), (905, 2758), (985, 2534), (1267, 1970), (1379, 1810)]