71814460

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{211219}}^1$

素因数の和:211245

約数の個数: 24

約数和(自身を含む): 159682320

約数和(自身を除く): 87867860

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 211219, 422438, 844876, 1056095, 2112190, 3590723, 4224380, 7181446, 14362892, 17953615, 35907230, 71814460]

約数ペア:

[(1, 71814460), (2, 35907230), (4, 17953615), (5, 14362892), (10, 7181446), (17, 4224380), (20, 3590723), (34, 2112190), (68, 1056095), (85, 844876), (170, 422438), (340, 211219)]