147319720

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{883}}^1$

素因数の和:1034

約数の個数: 64

約数和(自身を含む): 343062720

約数和(自身を除く): 195743000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 97, 172, 194, 215, 344, 388, 430, 485, 776, 860, 883, 970, 1720, 1766, 1940, 3532, 3880, 4171, 4415, 7064, 8342, 8830, 16684, 17660, 20855, 33368, 35320, 37969, 41710, 75938, 83420, 85651, 151876, 166840, 171302, 189845, 303752, 342604, 379690, 428255, 685208, 759380, 856510, 1518760, 1713020, 3426040, 3682993, 7365986, 14731972, 18414965, 29463944, 36829930, 73659860, 147319720]

約数ペア:

[(1, 147319720), (2, 73659860), (4, 36829930), (5, 29463944), (8, 18414965), (10, 14731972), (20, 7365986), (40, 3682993), (43, 3426040), (86, 1713020), (97, 1518760), (172, 856510), (194, 759380), (215, 685208), (344, 428255), (388, 379690), (430, 342604), (485, 303752), (776, 189845), (860, 171302), (883, 166840), (970, 151876), (1720, 85651), (1766, 83420), (1940, 75938), (3532, 41710), (3880, 37969), (4171, 35320), (4415, 33368), (7064, 20855), (8342, 17660), (8830, 16684)]