72481780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{73961}}^1$

素因数の和:73984

約数の個数: 36

約数和(自身を含む): 177065028

約数和(自身を除く): 104583248

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 73961, 147922, 295844, 369805, 517727, 739610, 1035454, 1479220, 2070908, 2588635, 3624089, 5177270, 7248178, 10354540, 14496356, 18120445, 36240890, 72481780]

約数ペア:

[(1, 72481780), (2, 36240890), (4, 18120445), (5, 14496356), (7, 10354540), (10, 7248178), (14, 5177270), (20, 3624089), (28, 2588635), (35, 2070908), (49, 1479220), (70, 1035454), (98, 739610), (140, 517727), (196, 369805), (245, 295844), (490, 147922), (980, 73961)]