172100200

素因数分解:

$2^3\times 5^2\times {\mathrm{860501}}^1$

素因数の和:860517

約数の個数: 24

約数和(自身を含む): 400133430

約数和(自身を除く): 228033230

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 860501, 1721002, 3442004, 4302505, 6884008, 8605010, 17210020, 21512525, 34420040, 43025050, 86050100, 172100200]

約数ペア:

[(1, 172100200), (2, 86050100), (4, 43025050), (5, 34420040), (8, 21512525), (10, 17210020), (20, 8605010), (25, 6884008), (40, 4302505), (50, 3442004), (100, 1721002), (200, 860501)]