28168280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3469}}^1$

素因数の和:3516

約数の個数: 64

約数和(自身を含む): 74952000

約数和(自身を除く): 46783720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 140, 145, 203, 232, 280, 290, 406, 580, 812, 1015, 1160, 1624, 2030, 3469, 4060, 6938, 8120, 13876, 17345, 24283, 27752, 34690, 48566, 69380, 97132, 100601, 121415, 138760, 194264, 201202, 242830, 402404, 485660, 503005, 704207, 804808, 971320, 1006010, 1408414, 2012020, 2816828, 3521035, 4024040, 5633656, 7042070, 14084140, 28168280]

約数ペア:

[(1, 28168280), (2, 14084140), (4, 7042070), (5, 5633656), (7, 4024040), (8, 3521035), (10, 2816828), (14, 2012020), (20, 1408414), (28, 1006010), (29, 971320), (35, 804808), (40, 704207), (56, 503005), (58, 485660), (70, 402404), (116, 242830), (140, 201202), (145, 194264), (203, 138760), (232, 121415), (280, 100601), (290, 97132), (406, 69380), (580, 48566), (812, 34690), (1015, 27752), (1160, 24283), (1624, 17345), (2030, 13876), (3469, 8120), (4060, 6938)]