6895480

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:284

約数の個数: 64

約数和(自身を含む): 16790400

約数和(自身を除く): 9894920

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 43, 76, 86, 95, 152, 172, 190, 211, 215, 344, 380, 422, 430, 760, 817, 844, 860, 1055, 1634, 1688, 1720, 2110, 3268, 4009, 4085, 4220, 6536, 8018, 8170, 8440, 9073, 16036, 16340, 18146, 20045, 32072, 32680, 36292, 40090, 45365, 72584, 80180, 90730, 160360, 172387, 181460, 344774, 362920, 689548, 861935, 1379096, 1723870, 3447740, 6895480]

約数ペア:

[(1, 6895480), (2, 3447740), (4, 1723870), (5, 1379096), (8, 861935), (10, 689548), (19, 362920), (20, 344774), (38, 181460), (40, 172387), (43, 160360), (76, 90730), (86, 80180), (95, 72584), (152, 45365), (172, 40090), (190, 36292), (211, 32680), (215, 32072), (344, 20045), (380, 18146), (422, 16340), (430, 16036), (760, 9073), (817, 8440), (844, 8170), (860, 8018), (1055, 6536), (1634, 4220), (1688, 4085), (1720, 4009), (2110, 3268)]