28909160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^2$

素因数の和:175

約数の個数: 96

約数和(自身を含む): 78744960

約数和(自身を除く): 49835800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 67, 70, 92, 115, 134, 140, 161, 184, 230, 268, 280, 322, 335, 460, 469, 536, 644, 670, 805, 920, 938, 1288, 1340, 1541, 1610, 1876, 2345, 2680, 3082, 3220, 3752, 4489, 4690, 6164, 6440, 7705, 8978, 9380, 10787, 12328, 15410, 17956, 18760, 21574, 22445, 30820, 31423, 35912, 43148, 44890, 53935, 61640, 62846, 86296, 89780, 103247, 107870, 125692, 157115, 179560, 206494, 215740, 251384, 314230, 412988, 431480, 516235, 628460, 722729, 825976, 1032470, 1256920, 1445458, 2064940, 2890916, 3613645, 4129880, 5781832, 7227290, 14454580, 28909160]

約数ペア:

[(1, 28909160), (2, 14454580), (4, 7227290), (5, 5781832), (7, 4129880), (8, 3613645), (10, 2890916), (14, 2064940), (20, 1445458), (23, 1256920), (28, 1032470), (35, 825976), (40, 722729), (46, 628460), (56, 516235), (67, 431480), (70, 412988), (92, 314230), (115, 251384), (134, 215740), (140, 206494), (161, 179560), (184, 157115), (230, 125692), (268, 107870), (280, 103247), (322, 89780), (335, 86296), (460, 62846), (469, 61640), (536, 53935), (644, 44890), (670, 43148), (805, 35912), (920, 31423), (938, 30820), (1288, 22445), (1340, 21574), (1541, 18760), (1610, 17956), (1876, 15410), (2345, 12328), (2680, 10787), (3082, 9380), (3220, 8978), (3752, 7705), (4489, 6440), (4690, 6164)]