2315678840

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1\times {\mathrm{3821}}^1$

素因数の和:4080

約数の個数: 64

約数和(自身を含む): 5297292000

約数和(自身を除く): 2981613160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 139, 218, 278, 436, 545, 556, 695, 872, 1090, 1112, 1390, 2180, 2780, 3821, 4360, 5560, 7642, 15151, 15284, 19105, 30302, 30568, 38210, 60604, 75755, 76420, 121208, 151510, 152840, 303020, 416489, 531119, 606040, 832978, 1062238, 1665956, 2082445, 2124476, 2655595, 3331912, 4164890, 4248952, 5311190, 8329780, 10622380, 16659560, 21244760, 57891971, 115783942, 231567884, 289459855, 463135768, 578919710, 1157839420, 2315678840]

約数ペア:

[(1, 2315678840), (2, 1157839420), (4, 578919710), (5, 463135768), (8, 289459855), (10, 231567884), (20, 115783942), (40, 57891971), (109, 21244760), (139, 16659560), (218, 10622380), (278, 8329780), (436, 5311190), (545, 4248952), (556, 4164890), (695, 3331912), (872, 2655595), (1090, 2124476), (1112, 2082445), (1390, 1665956), (2180, 1062238), (2780, 832978), (3821, 606040), (4360, 531119), (5560, 416489), (7642, 303020), (15151, 152840), (15284, 151510), (19105, 121208), (30302, 76420), (30568, 75755), (38210, 60604)]