71660890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{2503}}^1$

素因数の和:2926

約数の個数: 32

約数和(自身を含む): 147836160

約数和(自身を除く): 76175270

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 409, 818, 2045, 2503, 2863, 4090, 5006, 5726, 12515, 14315, 17521, 25030, 28630, 35042, 87605, 175210, 1023727, 2047454, 5118635, 7166089, 10237270, 14332178, 35830445, 71660890]

約数ペア:

[(1, 71660890), (2, 35830445), (5, 14332178), (7, 10237270), (10, 7166089), (14, 5118635), (35, 2047454), (70, 1023727), (409, 175210), (818, 87605), (2045, 35042), (2503, 28630), (2863, 25030), (4090, 17521), (5006, 14315), (5726, 12515)]