73490440

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{42727}}^1$

素因数の和:42781

約数の個数: 32

約数和(自身を含む): 169202880

約数和(自身を除く): 95712440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 42727, 85454, 170908, 213635, 341816, 427270, 854540, 1709080, 1837261, 3674522, 7349044, 9186305, 14698088, 18372610, 36745220, 73490440]

約数ペア:

[(1, 73490440), (2, 36745220), (4, 18372610), (5, 14698088), (8, 9186305), (10, 7349044), (20, 3674522), (40, 1837261), (43, 1709080), (86, 854540), (172, 427270), (215, 341816), (344, 213635), (430, 170908), (860, 85454), (1720, 42727)]