280147664540

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1567}}^1\times {\mathrm{82009}}^1$

素因数の和:83694

約数の個数: 48

約数和(自身を含む): 594093561600

約数和(自身を除く): 313945897060

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 1567, 2180, 3134, 6268, 7835, 15670, 31340, 82009, 164018, 170803, 328036, 341606, 410045, 683212, 820090, 854015, 1640180, 1708030, 3416060, 8938981, 17877962, 35755924, 44694905, 89389810, 128508103, 178779620, 257016206, 514032412, 642540515, 1285081030, 2570162060, 14007383227, 28014766454, 56029532908, 70036916135, 140073832270, 280147664540]

約数ペア:

[(1, 280147664540), (2, 140073832270), (4, 70036916135), (5, 56029532908), (10, 28014766454), (20, 14007383227), (109, 2570162060), (218, 1285081030), (436, 642540515), (545, 514032412), (1090, 257016206), (1567, 178779620), (2180, 128508103), (3134, 89389810), (6268, 44694905), (7835, 35755924), (15670, 17877962), (31340, 8938981), (82009, 3416060), (164018, 1708030), (170803, 1640180), (328036, 854015), (341606, 820090), (410045, 683212)]