170954480

素因数分解:

$2^4\times 5^1\times {\mathrm{1069}}^1\times {\mathrm{1999}}^1$

素因数の和:3081

約数の個数: 40

約数和(自身を含む): 398040000

約数和(自身を除く): 227085520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1069, 1999, 2138, 3998, 4276, 5345, 7996, 8552, 9995, 10690, 15992, 17104, 19990, 21380, 31984, 39980, 42760, 79960, 85520, 159920, 2136931, 4273862, 8547724, 10684655, 17095448, 21369310, 34190896, 42738620, 85477240, 170954480]

約数ペア:

[(1, 170954480), (2, 85477240), (4, 42738620), (5, 34190896), (8, 21369310), (10, 17095448), (16, 10684655), (20, 8547724), (40, 4273862), (80, 2136931), (1069, 159920), (1999, 85520), (2138, 79960), (3998, 42760), (4276, 39980), (5345, 31984), (7996, 21380), (8552, 19990), (9995, 17104), (10690, 15992)]