179303320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{640369}}^1$

素因数の和:640387

約数の個数: 32

約数和(自身を含む): 461066400

約数和(自身を除く): 281763080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 640369, 1280738, 2561476, 3201845, 4482583, 5122952, 6403690, 8965166, 12807380, 17930332, 22412915, 25614760, 35860664, 44825830, 89651660, 179303320]

約数ペア:

[(1, 179303320), (2, 89651660), (4, 44825830), (5, 35860664), (7, 25614760), (8, 22412915), (10, 17930332), (14, 12807380), (20, 8965166), (28, 6403690), (35, 5122952), (40, 4482583), (56, 3201845), (70, 2561476), (140, 1280738), (280, 640369)]