1489207960

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{524369}}^1$

素因数の和:524451

約数の個数: 32

約数和(自身を含む): 3397917600

約数和(自身を除く): 1908709640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 524369, 1048738, 2097476, 2621845, 4194952, 5243690, 10487380, 20974760, 37230199, 74460398, 148920796, 186150995, 297841592, 372301990, 744603980, 1489207960]

約数ペア:

[(1, 1489207960), (2, 744603980), (4, 372301990), (5, 297841592), (8, 186150995), (10, 148920796), (20, 74460398), (40, 37230199), (71, 20974760), (142, 10487380), (284, 5243690), (355, 4194952), (568, 2621845), (710, 2097476), (1420, 1048738), (2840, 524369)]