1649895980

素因数分解:

$2^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{249229}}^1$

素因数の和:249569

約数の個数: 24

約数和(自身を含む): 3475263120

約数和(自身を除く): 1825367140

約数列:

[1, 2, 4, 5, 10, 20, 331, 662, 1324, 1655, 3310, 6620, 249229, 498458, 996916, 1246145, 2492290, 4984580, 82494799, 164989598, 329979196, 412473995, 824947990, 1649895980]

約数ペア:

[(1, 1649895980), (2, 824947990), (4, 412473995), (5, 329979196), (10, 164989598), (20, 82494799), (331, 4984580), (662, 2492290), (1324, 1246145), (1655, 996916), (3310, 498458), (6620, 249229)]