27998950

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{79997}}^1$

素因数の和:80016

約数の個数: 24

約数和(自身を含む): 59518512

約数和(自身を除く): 31519562

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 350, 79997, 159994, 399985, 559979, 799970, 1119958, 1999925, 2799895, 3999850, 5599790, 13999475, 27998950]

約数ペア:

[(1, 27998950), (2, 13999475), (5, 5599790), (7, 3999850), (10, 2799895), (14, 1999925), (25, 1119958), (35, 799970), (50, 559979), (70, 399985), (175, 159994), (350, 79997)]