259664260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{23563}}^1$

素因数の和:23620

約数の個数: 48

約数和(自身を含む): 593812800

約数和(自身を除く): 334148540

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 58, 76, 95, 116, 145, 190, 290, 380, 551, 580, 1102, 2204, 2755, 5510, 11020, 23563, 47126, 94252, 117815, 235630, 447697, 471260, 683327, 895394, 1366654, 1790788, 2238485, 2733308, 3416635, 4476970, 6833270, 8953940, 12983213, 13666540, 25966426, 51932852, 64916065, 129832130, 259664260]

約数ペア:

[(1, 259664260), (2, 129832130), (4, 64916065), (5, 51932852), (10, 25966426), (19, 13666540), (20, 12983213), (29, 8953940), (38, 6833270), (58, 4476970), (76, 3416635), (95, 2733308), (116, 2238485), (145, 1790788), (190, 1366654), (290, 895394), (380, 683327), (551, 471260), (580, 447697), (1102, 235630), (2204, 117815), (2755, 94252), (5510, 47126), (11020, 23563)]