155074040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{352441}}^1$

素因数の和:352463

約数の個数: 32

約数和(自身を含む): 380637360

約数和(自身を除く): 225563320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 352441, 704882, 1409764, 1762205, 2819528, 3524410, 3876851, 7048820, 7753702, 14097640, 15507404, 19384255, 31014808, 38768510, 77537020, 155074040]

約数ペア:

[(1, 155074040), (2, 77537020), (4, 38768510), (5, 31014808), (8, 19384255), (10, 15507404), (11, 14097640), (20, 7753702), (22, 7048820), (40, 3876851), (44, 3524410), (55, 2819528), (88, 1762205), (110, 1409764), (220, 704882), (440, 352441)]