28614760

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1637}}^1$

素因数の和:1690

約数の個数: 64

約数和(自身を含む): 70761600

約数和(自身を除く): 42146840

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 23, 38, 40, 46, 76, 92, 95, 115, 152, 184, 190, 230, 380, 437, 460, 760, 874, 920, 1637, 1748, 2185, 3274, 3496, 4370, 6548, 8185, 8740, 13096, 16370, 17480, 31103, 32740, 37651, 62206, 65480, 75302, 124412, 150604, 155515, 188255, 248824, 301208, 311030, 376510, 622060, 715369, 753020, 1244120, 1430738, 1506040, 2861476, 3576845, 5722952, 7153690, 14307380, 28614760]

約数ペア:

[(1, 28614760), (2, 14307380), (4, 7153690), (5, 5722952), (8, 3576845), (10, 2861476), (19, 1506040), (20, 1430738), (23, 1244120), (38, 753020), (40, 715369), (46, 622060), (76, 376510), (92, 311030), (95, 301208), (115, 248824), (152, 188255), (184, 155515), (190, 150604), (230, 124412), (380, 75302), (437, 65480), (460, 62206), (760, 37651), (874, 32740), (920, 31103), (1637, 17480), (1748, 16370), (2185, 13096), (3274, 8740), (3496, 8185), (4370, 6548)]