15205990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{3889}}^1$

素因数の和:3936

約数の個数: 32

約数和(自身を含む): 30248640

約数和(自身を除く): 15042650

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 85, 115, 170, 230, 391, 782, 1955, 3889, 3910, 7778, 19445, 38890, 66113, 89447, 132226, 178894, 330565, 447235, 661130, 894470, 1520599, 3041198, 7602995, 15205990]

約数ペア:

[(1, 15205990), (2, 7602995), (5, 3041198), (10, 1520599), (17, 894470), (23, 661130), (34, 447235), (46, 330565), (85, 178894), (115, 132226), (170, 89447), (230, 66113), (391, 38890), (782, 19445), (1955, 7778), (3889, 3910)]