8248660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{443}}^1$

素因数の和:485

約数の個数: 72

約数和(自身を含む): 21258720

約数和(自身を除く): 13010060

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 133, 140, 190, 196, 245, 266, 380, 443, 490, 532, 665, 886, 931, 980, 1330, 1772, 1862, 2215, 2660, 3101, 3724, 4430, 4655, 6202, 8417, 8860, 9310, 12404, 15505, 16834, 18620, 21707, 31010, 33668, 42085, 43414, 58919, 62020, 84170, 86828, 108535, 117838, 168340, 217070, 235676, 294595, 412433, 434140, 589190, 824866, 1178380, 1649732, 2062165, 4124330, 8248660]

約数ペア:

[(1, 8248660), (2, 4124330), (4, 2062165), (5, 1649732), (7, 1178380), (10, 824866), (14, 589190), (19, 434140), (20, 412433), (28, 294595), (35, 235676), (38, 217070), (49, 168340), (70, 117838), (76, 108535), (95, 86828), (98, 84170), (133, 62020), (140, 58919), (190, 43414), (196, 42085), (245, 33668), (266, 31010), (380, 21707), (443, 18620), (490, 16834), (532, 15505), (665, 12404), (886, 9310), (931, 8860), (980, 8417), (1330, 6202), (1772, 4655), (1862, 4430), (2215, 3724), (2660, 3101)]