155693480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{228961}}^1$

素因数の和:228989

約数の個数: 32

約数和(自身を含む): 370918440

約数和(自身を除く): 215224960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 228961, 457922, 915844, 1144805, 1831688, 2289610, 3892337, 4579220, 7784674, 9158440, 15569348, 19461685, 31138696, 38923370, 77846740, 155693480]

約数ペア:

[(1, 155693480), (2, 77846740), (4, 38923370), (5, 31138696), (8, 19461685), (10, 15569348), (17, 9158440), (20, 7784674), (34, 4579220), (40, 3892337), (68, 2289610), (85, 1831688), (136, 1144805), (170, 915844), (340, 457922), (680, 228961)]