7780990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3833}}^1$

素因数の和:3876

約数の個数: 32

約数和(自身を含む): 16562880

約数和(自身を除く): 8781890

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 406, 1015, 2030, 3833, 7666, 19165, 26831, 38330, 53662, 111157, 134155, 222314, 268310, 555785, 778099, 1111570, 1556198, 3890495, 7780990]

約数ペア:

[(1, 7780990), (2, 3890495), (5, 1556198), (7, 1111570), (10, 778099), (14, 555785), (29, 268310), (35, 222314), (58, 134155), (70, 111157), (145, 53662), (203, 38330), (290, 26831), (406, 19165), (1015, 7666), (2030, 3833)]