289341040

素因数分解:

$2^4\times 5^1\times {\mathrm{1873}}^1\times {\mathrm{1931}}^1$

素因数の和:3817

約数の個数: 40

約数和(自身を含む): 673425648

約数和(自身を除く): 384084608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1873, 1931, 3746, 3862, 7492, 7724, 9365, 9655, 14984, 15448, 18730, 19310, 29968, 30896, 37460, 38620, 74920, 77240, 149840, 154480, 3616763, 7233526, 14467052, 18083815, 28934104, 36167630, 57868208, 72335260, 144670520, 289341040]

約数ペア:

[(1, 289341040), (2, 144670520), (4, 72335260), (5, 57868208), (8, 36167630), (10, 28934104), (16, 18083815), (20, 14467052), (40, 7233526), (80, 3616763), (1873, 154480), (1931, 149840), (3746, 77240), (3862, 74920), (7492, 38620), (7724, 37460), (9365, 30896), (9655, 29968), (14984, 19310), (15448, 18730)]