1957100540

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{337}}^1\times {\mathrm{2089}}^1$

素因数の和:2574

約数の個数: 48

約数和(自身を含む): 4153749600

約数和(自身を除く): 2196649060

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 337, 556, 674, 695, 1348, 1390, 1685, 2089, 2780, 3370, 4178, 6740, 8356, 10445, 20890, 41780, 46843, 93686, 187372, 234215, 290371, 468430, 580742, 703993, 936860, 1161484, 1407986, 1451855, 2815972, 2903710, 3519965, 5807420, 7039930, 14079860, 97855027, 195710054, 391420108, 489275135, 978550270, 1957100540]

約数ペア:

[(1, 1957100540), (2, 978550270), (4, 489275135), (5, 391420108), (10, 195710054), (20, 97855027), (139, 14079860), (278, 7039930), (337, 5807420), (556, 3519965), (674, 2903710), (695, 2815972), (1348, 1451855), (1390, 1407986), (1685, 1161484), (2089, 936860), (2780, 703993), (3370, 580742), (4178, 468430), (6740, 290371), (8356, 234215), (10445, 187372), (20890, 93686), (41780, 46843)]