16788380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{463}}^1$

素因数の和:523

約数の個数: 72

約数和(自身を含む): 42211008

約数和(自身を除く): 25422628

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 49, 70, 74, 98, 140, 148, 185, 196, 245, 259, 370, 463, 490, 518, 740, 926, 980, 1036, 1295, 1813, 1852, 2315, 2590, 3241, 3626, 4630, 5180, 6482, 7252, 9065, 9260, 12964, 16205, 17131, 18130, 22687, 32410, 34262, 36260, 45374, 64820, 68524, 85655, 90748, 113435, 119917, 171310, 226870, 239834, 342620, 453740, 479668, 599585, 839419, 1199170, 1678838, 2398340, 3357676, 4197095, 8394190, 16788380]

約数ペア:

[(1, 16788380), (2, 8394190), (4, 4197095), (5, 3357676), (7, 2398340), (10, 1678838), (14, 1199170), (20, 839419), (28, 599585), (35, 479668), (37, 453740), (49, 342620), (70, 239834), (74, 226870), (98, 171310), (140, 119917), (148, 113435), (185, 90748), (196, 85655), (245, 68524), (259, 64820), (370, 45374), (463, 36260), (490, 34262), (518, 32410), (740, 22687), (926, 18130), (980, 17131), (1036, 16205), (1295, 12964), (1813, 9260), (1852, 9065), (2315, 7252), (2590, 6482), (3241, 5180), (3626, 4630)]