155366020

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1\times {\mathrm{839}}^1$

素因数の和:1092

約数の個数: 48

約数和(自身を含む): 335301120

約数和(自身を除く): 179935100

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 197, 235, 394, 470, 788, 839, 940, 985, 1678, 1970, 3356, 3940, 4195, 8390, 9259, 16780, 18518, 37036, 39433, 46295, 78866, 92590, 157732, 165283, 185180, 197165, 330566, 394330, 661132, 788660, 826415, 1652830, 3305660, 7768301, 15536602, 31073204, 38841505, 77683010, 155366020]

約数ペア:

[(1, 155366020), (2, 77683010), (4, 38841505), (5, 31073204), (10, 15536602), (20, 7768301), (47, 3305660), (94, 1652830), (188, 826415), (197, 788660), (235, 661132), (394, 394330), (470, 330566), (788, 197165), (839, 185180), (940, 165283), (985, 157732), (1678, 92590), (1970, 78866), (3356, 46295), (3940, 39433), (4195, 37036), (8390, 18518), (9259, 16780)]