890093260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2153}}^1\times {\mathrm{2953}}^1$

素因数の和:5122

約数の個数: 48

約数和(自身を含む): 2137939776

約数和(自身を除く): 1247846516

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2153, 2953, 4306, 5906, 8612, 10765, 11812, 14765, 15071, 20671, 21530, 29530, 30142, 41342, 43060, 59060, 60284, 75355, 82684, 103355, 150710, 206710, 301420, 413420, 6357809, 12715618, 25431236, 31789045, 44504663, 63578090, 89009326, 127156180, 178018652, 222523315, 445046630, 890093260]

約数ペア:

[(1, 890093260), (2, 445046630), (4, 222523315), (5, 178018652), (7, 127156180), (10, 89009326), (14, 63578090), (20, 44504663), (28, 31789045), (35, 25431236), (70, 12715618), (140, 6357809), (2153, 413420), (2953, 301420), (4306, 206710), (5906, 150710), (8612, 103355), (10765, 82684), (11812, 75355), (14765, 60284), (15071, 59060), (20671, 43060), (21530, 41342), (29530, 30142)]