200030005

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{443}}^1$

素因数の和:578

約数の個数: 48

約数和(自身を含む): 297622080

約数和(自身を除く): 97592075

約数列:

[1, 5, 7, 19, 35, 49, 95, 97, 133, 245, 443, 485, 665, 679, 931, 1843, 2215, 3101, 3395, 4655, 4753, 8417, 9215, 12901, 15505, 21707, 23765, 42085, 42971, 58919, 64505, 90307, 108535, 214855, 294595, 300797, 412433, 451535, 816449, 1503985, 2062165, 2105579, 4082245, 5715143, 10527895, 28575715, 40006001, 200030005]

約数ペア:

[(1, 200030005), (5, 40006001), (7, 28575715), (19, 10527895), (35, 5715143), (49, 4082245), (95, 2105579), (97, 2062165), (133, 1503985), (245, 816449), (443, 451535), (485, 412433), (665, 300797), (679, 294595), (931, 214855), (1843, 108535), (2215, 90307), (3101, 64505), (3395, 58919), (4655, 42971), (4753, 42085), (8417, 23765), (9215, 21707), (12901, 15505)]