291244480

素因数分解:

$2^6\times 5^1\times {\mathrm{910139}}^1$

素因数の和:910156

約数の個数: 28

約数和(自身を含む): 693526680

約数和(自身を除く): 402282200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 910139, 1820278, 3640556, 4550695, 7281112, 9101390, 14562224, 18202780, 29124448, 36405560, 58248896, 72811120, 145622240, 291244480]

約数ペア:

[(1, 291244480), (2, 145622240), (4, 72811120), (5, 58248896), (8, 36405560), (10, 29124448), (16, 18202780), (20, 14562224), (32, 9101390), (40, 7281112), (64, 4550695), (80, 3640556), (160, 1820278), (320, 910139)]