28992880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2251}}^1$

素因数の和:2294

約数の個数: 80

約数和(自身を含む): 80423424

約数和(自身を除く): 51430544

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1610, 1840, 2251, 2576, 3220, 4502, 6440, 9004, 11255, 12880, 15757, 18008, 22510, 31514, 36016, 45020, 51773, 63028, 78785, 90040, 103546, 126056, 157570, 180080, 207092, 252112, 258865, 315140, 362411, 414184, 517730, 630280, 724822, 828368, 1035460, 1260560, 1449644, 1812055, 2070920, 2899288, 3624110, 4141840, 5798576, 7248220, 14496440, 28992880]

約数ペア:

[(1, 28992880), (2, 14496440), (4, 7248220), (5, 5798576), (7, 4141840), (8, 3624110), (10, 2899288), (14, 2070920), (16, 1812055), (20, 1449644), (23, 1260560), (28, 1035460), (35, 828368), (40, 724822), (46, 630280), (56, 517730), (70, 414184), (80, 362411), (92, 315140), (112, 258865), (115, 252112), (140, 207092), (161, 180080), (184, 157570), (230, 126056), (280, 103546), (322, 90040), (368, 78785), (460, 63028), (560, 51773), (644, 45020), (805, 36016), (920, 31514), (1288, 22510), (1610, 18008), (1840, 15757), (2251, 12880), (2576, 11255), (3220, 9004), (4502, 6440)]