143742140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{419}}^1\times {\mathrm{1009}}^1$

素因数の和:1454

約数の個数: 48

約数和(自身を含む): 320695200

約数和(自身を除く): 176953060

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 419, 838, 1009, 1676, 2018, 2095, 4036, 4190, 5045, 7123, 8380, 10090, 14246, 17153, 20180, 28492, 34306, 35615, 68612, 71230, 85765, 142460, 171530, 343060, 422771, 845542, 1691084, 2113855, 4227710, 7187107, 8455420, 14374214, 28748428, 35935535, 71871070, 143742140]

約数ペア:

[(1, 143742140), (2, 71871070), (4, 35935535), (5, 28748428), (10, 14374214), (17, 8455420), (20, 7187107), (34, 4227710), (68, 2113855), (85, 1691084), (170, 845542), (340, 422771), (419, 343060), (838, 171530), (1009, 142460), (1676, 85765), (2018, 71230), (2095, 68612), (4036, 35615), (4190, 34306), (5045, 28492), (7123, 20180), (8380, 17153), (10090, 14246)]