291268460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71741}}^1$

素因数の和:71786

約数の個数: 48

約数和(自身を含む): 723159360

約数和(自身を除く): 431890900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 71741, 143482, 286964, 358705, 502187, 717410, 1004374, 1434820, 2008748, 2080489, 2510935, 4160978, 5021870, 8321956, 10043740, 10402445, 14563423, 20804890, 29126846, 41609780, 58253692, 72817115, 145634230, 291268460]

約数ペア:

[(1, 291268460), (2, 145634230), (4, 72817115), (5, 58253692), (7, 41609780), (10, 29126846), (14, 20804890), (20, 14563423), (28, 10402445), (29, 10043740), (35, 8321956), (58, 5021870), (70, 4160978), (116, 2510935), (140, 2080489), (145, 2008748), (203, 1434820), (290, 1004374), (406, 717410), (580, 502187), (812, 358705), (1015, 286964), (2030, 143482), (4060, 71741)]