31145020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1949}}^1$

素因数の和:2022

約数の個数: 48

約数和(自身を含む): 70761600

約数和(自身を除く): 39616580

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 47, 68, 85, 94, 170, 188, 235, 340, 470, 799, 940, 1598, 1949, 3196, 3898, 3995, 7796, 7990, 9745, 15980, 19490, 33133, 38980, 66266, 91603, 132532, 165665, 183206, 331330, 366412, 458015, 662660, 916030, 1557251, 1832060, 3114502, 6229004, 7786255, 15572510, 31145020]

約数ペア:

[(1, 31145020), (2, 15572510), (4, 7786255), (5, 6229004), (10, 3114502), (17, 1832060), (20, 1557251), (34, 916030), (47, 662660), (68, 458015), (85, 366412), (94, 331330), (170, 183206), (188, 165665), (235, 132532), (340, 91603), (470, 66266), (799, 38980), (940, 33133), (1598, 19490), (1949, 15980), (3196, 9745), (3898, 7990), (3995, 7796)]