77747320

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{39667}}^1$

素因数の和:39692

約数の個数: 48

約数和(自身を含む): 203496840

約数和(自身を除く): 125749520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 39667, 79334, 158668, 198335, 277669, 317336, 396670, 555338, 793340, 1110676, 1388345, 1586680, 1943683, 2221352, 2776690, 3887366, 5553380, 7774732, 9718415, 11106760, 15549464, 19436830, 38873660, 77747320]

約数ペア:

[(1, 77747320), (2, 38873660), (4, 19436830), (5, 15549464), (7, 11106760), (8, 9718415), (10, 7774732), (14, 5553380), (20, 3887366), (28, 2776690), (35, 2221352), (40, 1943683), (49, 1586680), (56, 1388345), (70, 1110676), (98, 793340), (140, 555338), (196, 396670), (245, 317336), (280, 277669), (392, 198335), (490, 158668), (980, 79334), (1960, 39667)]