340299280

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{43853}}^1$

素因数の和:43963

約数の個数: 40

約数和(自身を含む): 799370712

約数和(自身を除く): 459071432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3880, 7760, 43853, 87706, 175412, 219265, 350824, 438530, 701648, 877060, 1754120, 3508240, 4253741, 8507482, 17014964, 21268705, 34029928, 42537410, 68059856, 85074820, 170149640, 340299280]

約数ペア:

[(1, 340299280), (2, 170149640), (4, 85074820), (5, 68059856), (8, 42537410), (10, 34029928), (16, 21268705), (20, 17014964), (40, 8507482), (80, 4253741), (97, 3508240), (194, 1754120), (388, 877060), (485, 701648), (776, 438530), (970, 350824), (1552, 219265), (1940, 175412), (3880, 87706), (7760, 43853)]