812260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2389}}^1$

素因数の和:2415

約数の個数: 24

約数和(自身を含む): 1806840

約数和(自身を除く): 994580

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 2389, 4778, 9556, 11945, 23890, 40613, 47780, 81226, 162452, 203065, 406130, 812260]

約数ペア:

[(1, 812260), (2, 406130), (4, 203065), (5, 162452), (10, 81226), (17, 47780), (20, 40613), (34, 23890), (68, 11945), (85, 9556), (170, 4778), (340, 2389)]