28858480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1777}}^1$

素因数の和:1826

約数の個数: 80

約数和(自身を含む): 79369920

約数和(自身を除く): 50511440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 56, 58, 70, 80, 112, 116, 140, 145, 203, 232, 280, 290, 406, 464, 560, 580, 812, 1015, 1160, 1624, 1777, 2030, 2320, 3248, 3554, 4060, 7108, 8120, 8885, 12439, 14216, 16240, 17770, 24878, 28432, 35540, 49756, 51533, 62195, 71080, 99512, 103066, 124390, 142160, 199024, 206132, 248780, 257665, 360731, 412264, 497560, 515330, 721462, 824528, 995120, 1030660, 1442924, 1803655, 2061320, 2885848, 3607310, 4122640, 5771696, 7214620, 14429240, 28858480]

約数ペア:

[(1, 28858480), (2, 14429240), (4, 7214620), (5, 5771696), (7, 4122640), (8, 3607310), (10, 2885848), (14, 2061320), (16, 1803655), (20, 1442924), (28, 1030660), (29, 995120), (35, 824528), (40, 721462), (56, 515330), (58, 497560), (70, 412264), (80, 360731), (112, 257665), (116, 248780), (140, 206132), (145, 199024), (203, 142160), (232, 124390), (280, 103066), (290, 99512), (406, 71080), (464, 62195), (560, 51533), (580, 49756), (812, 35540), (1015, 28432), (1160, 24878), (1624, 17770), (1777, 16240), (2030, 14216), (2320, 12439), (3248, 8885), (3554, 8120), (4060, 7108)]