557937.0000000

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 8213184

約数和(自身を除く): 4650404

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 193, 260, 284, 355, 386, 710, 772, 923, 965, 1420, 1846, 1930, 2509, 3692, 3860, 4615, 5018, 9230, 10036, 12545, 13703, 18460, 25090, 27406, 50180, 54812, 68515, 137030, 178139, 274060, 356278, 712556, 890695, 1781390, 3562780]

約数ペア:

[(1, 3562780), (2, 1781390), (4, 890695), (5, 712556), (10, 356278), (13, 274060), (20, 178139), (26, 137030), (52, 68515), (65, 54812), (71, 50180), (130, 27406), (142, 25090), (193, 18460), (260, 13703), (284, 12545), (355, 10036), (386, 9230), (710, 5018), (772, 4615), (923, 3860), (965, 3692), (1420, 2509), (1846, 1930)]