989731490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{152501}}^1$

素因数の和:152578

約数の個数: 32

約数和(自身を含む): 1976425920

約数和(自身を除く): 986694430

約数列:

[1, 2, 5, 10, 11, 22, 55, 59, 110, 118, 295, 590, 649, 1298, 3245, 6490, 152501, 305002, 762505, 1525010, 1677511, 3355022, 8387555, 8997559, 16775110, 17995118, 44987795, 89975590, 98973149, 197946298, 494865745, 989731490]

約数ペア:

[(1, 989731490), (2, 494865745), (5, 197946298), (10, 98973149), (11, 89975590), (22, 44987795), (55, 17995118), (59, 16775110), (110, 8997559), (118, 8387555), (295, 3355022), (590, 1677511), (649, 1525010), (1298, 762505), (3245, 305002), (6490, 152501)]