209969680

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{55843}}^1$

素因数の和:55903

約数の個数: 40

約数和(自身を含む): 498575232

約数和(自身を除く): 288605552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 55843, 111686, 223372, 279215, 446744, 558430, 893488, 1116860, 2233720, 2624621, 4467440, 5249242, 10498484, 13123105, 20996968, 26246210, 41993936, 52492420, 104984840, 209969680]

約数ペア:

[(1, 209969680), (2, 104984840), (4, 52492420), (5, 41993936), (8, 26246210), (10, 20996968), (16, 13123105), (20, 10498484), (40, 5249242), (47, 4467440), (80, 2624621), (94, 2233720), (188, 1116860), (235, 893488), (376, 558430), (470, 446744), (752, 279215), (940, 223372), (1880, 111686), (3760, 55843)]