142499990

素因数分解:

$2^1\times 5^1\times {\mathrm{619}}^1\times {\mathrm{23021}}^1$

素因数の和:23647

約数の個数: 16

約数和(自身を含む): 256925520

約数和(自身を除く): 114425530

約数列:

[1, 2, 5, 10, 619, 1238, 3095, 6190, 23021, 46042, 115105, 230210, 14249999, 28499998, 71249995, 142499990]

約数ペア:

[(1, 142499990), (2, 71249995), (5, 28499998), (10, 14249999), (619, 230210), (1238, 115105), (3095, 46042), (6190, 23021)]