228391520

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{203921}}^1$

素因数の和:203943

約数の個数: 48

約数和(自身を含む): 616660128

約数和(自身を除く): 388268608

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 203921, 407842, 815684, 1019605, 1427447, 1631368, 2039210, 2854894, 3262736, 4078420, 5709788, 6525472, 7137235, 8156840, 11419576, 14274470, 16313680, 22839152, 28548940, 32627360, 45678304, 57097880, 114195760, 228391520]

約数ペア:

[(1, 228391520), (2, 114195760), (4, 57097880), (5, 45678304), (7, 32627360), (8, 28548940), (10, 22839152), (14, 16313680), (16, 14274470), (20, 11419576), (28, 8156840), (32, 7137235), (35, 6525472), (40, 5709788), (56, 4078420), (70, 3262736), (80, 2854894), (112, 2039210), (140, 1631368), (160, 1427447), (224, 1019605), (280, 815684), (560, 407842), (1120, 203921)]