1489013420

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1048601}}^1$

素因数の和:1048681

約数の個数: 24

約数和(自身を含む): 3170972448

約数和(自身を除く): 1681959028

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 1048601, 2097202, 4194404, 5243005, 10486010, 20972020, 74450671, 148901342, 297802684, 372253355, 744506710, 1489013420]

約数ペア:

[(1, 1489013420), (2, 744506710), (4, 372253355), (5, 297802684), (10, 148901342), (20, 74450671), (71, 20972020), (142, 10486010), (284, 5243005), (355, 4194404), (710, 2097202), (1420, 1048601)]