207405940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1021}}^1\times {\mathrm{1451}}^1$

素因数の和:2488

約数の個数: 48

約数和(自身を含む): 498605184

約数和(自身を除く): 291199244

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1021, 1451, 2042, 2902, 4084, 5105, 5804, 7147, 7255, 10157, 10210, 14294, 14510, 20314, 20420, 28588, 29020, 35735, 40628, 50785, 71470, 101570, 142940, 203140, 1481471, 2962942, 5925884, 7407355, 10370297, 14814710, 20740594, 29629420, 41481188, 51851485, 103702970, 207405940]

約数ペア:

[(1, 207405940), (2, 103702970), (4, 51851485), (5, 41481188), (7, 29629420), (10, 20740594), (14, 14814710), (20, 10370297), (28, 7407355), (35, 5925884), (70, 2962942), (140, 1481471), (1021, 203140), (1451, 142940), (2042, 101570), (2902, 71470), (4084, 50785), (5105, 40628), (5804, 35735), (7147, 29020), (7255, 28588), (10157, 20420), (10210, 20314), (14294, 14510)]