128214280

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{2311}}^1$

素因数の和:2414

約数の個数: 64

約数和(自身を含む): 307958400

約数和(自身を除く): 179744120

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 73, 76, 95, 146, 152, 190, 292, 365, 380, 584, 730, 760, 1387, 1460, 2311, 2774, 2920, 4622, 5548, 6935, 9244, 11096, 11555, 13870, 18488, 23110, 27740, 43909, 46220, 55480, 87818, 92440, 168703, 175636, 219545, 337406, 351272, 439090, 674812, 843515, 878180, 1349624, 1687030, 1756360, 3205357, 3374060, 6410714, 6748120, 12821428, 16026785, 25642856, 32053570, 64107140, 128214280]

約数ペア:

[(1, 128214280), (2, 64107140), (4, 32053570), (5, 25642856), (8, 16026785), (10, 12821428), (19, 6748120), (20, 6410714), (38, 3374060), (40, 3205357), (73, 1756360), (76, 1687030), (95, 1349624), (146, 878180), (152, 843515), (190, 674812), (292, 439090), (365, 351272), (380, 337406), (584, 219545), (730, 175636), (760, 168703), (1387, 92440), (1460, 87818), (2311, 55480), (2774, 46220), (2920, 43909), (4622, 27740), (5548, 23110), (6935, 18488), (9244, 13870), (11096, 11555)]