448460

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1319}}^1$

素因数の和:1345

約数の個数: 24

約数和(自身を含む): 997920

約数和(自身を除く): 549460

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 1319, 2638, 5276, 6595, 13190, 22423, 26380, 44846, 89692, 112115, 224230, 448460]

約数ペア:

[(1, 448460), (2, 224230), (4, 112115), (5, 89692), (10, 44846), (17, 26380), (20, 22423), (34, 13190), (68, 6595), (85, 5276), (170, 2638), (340, 1319)]