423611780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1245917}}^1$

素因数の和:1245943

約数の個数: 24

約数和(自身を含む): 941914008

約数和(自身を除く): 518302228

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 1245917, 2491834, 4983668, 6229585, 12459170, 21180589, 24918340, 42361178, 84722356, 105902945, 211805890, 423611780]

約数ペア:

[(1, 423611780), (2, 211805890), (4, 105902945), (5, 84722356), (10, 42361178), (17, 24918340), (20, 21180589), (34, 12459170), (68, 6229585), (85, 4983668), (170, 2491834), (340, 1245917)]