57242440

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{691}}^1$

素因数の和:830

約数の個数: 64

約数和(自身を含む): 137016000

約数和(自身を除く): 79773560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 109, 152, 190, 218, 380, 436, 545, 691, 760, 872, 1090, 1382, 2071, 2180, 2764, 3455, 4142, 4360, 5528, 6910, 8284, 10355, 13129, 13820, 16568, 20710, 26258, 27640, 41420, 52516, 65645, 75319, 82840, 105032, 131290, 150638, 262580, 301276, 376595, 525160, 602552, 753190, 1431061, 1506380, 2862122, 3012760, 5724244, 7155305, 11448488, 14310610, 28621220, 57242440]

約数ペア:

[(1, 57242440), (2, 28621220), (4, 14310610), (5, 11448488), (8, 7155305), (10, 5724244), (19, 3012760), (20, 2862122), (38, 1506380), (40, 1431061), (76, 753190), (95, 602552), (109, 525160), (152, 376595), (190, 301276), (218, 262580), (380, 150638), (436, 131290), (545, 105032), (691, 82840), (760, 75319), (872, 65645), (1090, 52516), (1382, 41420), (2071, 27640), (2180, 26258), (2764, 20710), (3455, 16568), (4142, 13820), (4360, 13129), (5528, 10355), (6910, 8284)]