251392932

素因数分解:

$2^2\times 3^2\times 7^3\times {\mathrm{20359}}^1$

素因数の和:20390

約数の個数: 72

約数和(自身を含む): 741104000

約数和(自身を除く): 489711068

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 343, 441, 588, 686, 882, 1029, 1372, 1764, 2058, 3087, 4116, 6174, 12348, 20359, 40718, 61077, 81436, 122154, 142513, 183231, 244308, 285026, 366462, 427539, 570052, 732924, 855078, 997591, 1282617, 1710156, 1995182, 2565234, 2992773, 3990364, 5130468, 5985546, 6983137, 8978319, 11971092, 13966274, 17956638, 20949411, 27932548, 35913276, 41898822, 62848233, 83797644, 125696466, 251392932]

約数ペア:

[(1, 251392932), (2, 125696466), (3, 83797644), (4, 62848233), (6, 41898822), (7, 35913276), (9, 27932548), (12, 20949411), (14, 17956638), (18, 13966274), (21, 11971092), (28, 8978319), (36, 6983137), (42, 5985546), (49, 5130468), (63, 3990364), (84, 2992773), (98, 2565234), (126, 1995182), (147, 1710156), (196, 1282617), (252, 997591), (294, 855078), (343, 732924), (441, 570052), (588, 427539), (686, 366462), (882, 285026), (1029, 244308), (1372, 183231), (1764, 142513), (2058, 122154), (3087, 81436), (4116, 61077), (6174, 40718), (12348, 20359)]