189334780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{556867}}^1$

素因数の和:556893

約数の個数: 24

約数和(自身を含む): 420992208

約数和(自身を除く): 231657428

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 556867, 1113734, 2227468, 2784335, 5568670, 9466739, 11137340, 18933478, 37866956, 47333695, 94667390, 189334780]

約数ペア:

[(1, 189334780), (2, 94667390), (4, 47333695), (5, 37866956), (10, 18933478), (17, 11137340), (20, 9466739), (34, 5568670), (68, 2784335), (85, 2227468), (170, 1113734), (340, 556867)]