28892920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5431}}^1$

素因数の和:5468

約数の個数: 64

約数和(自身を含む): 78220800

約数和(自身を除く): 49327880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 5320, 5431, 10862, 21724, 27155, 38017, 43448, 54310, 76034, 103189, 108620, 152068, 190085, 206378, 217240, 304136, 380170, 412756, 515945, 722323, 760340, 825512, 1031890, 1444646, 1520680, 2063780, 2889292, 3611615, 4127560, 5778584, 7223230, 14446460, 28892920]

約数ペア:

[(1, 28892920), (2, 14446460), (4, 7223230), (5, 5778584), (7, 4127560), (8, 3611615), (10, 2889292), (14, 2063780), (19, 1520680), (20, 1444646), (28, 1031890), (35, 825512), (38, 760340), (40, 722323), (56, 515945), (70, 412756), (76, 380170), (95, 304136), (133, 217240), (140, 206378), (152, 190085), (190, 152068), (266, 108620), (280, 103189), (380, 76034), (532, 54310), (665, 43448), (760, 38017), (1064, 27155), (1330, 21724), (2660, 10862), (5320, 5431)]