489968930140

素因数分解:

$2^2\times 5^1\times {\mathrm{3943}}^1\times {\mathrm{6213149}}^1$

素因数の和:6217101

約数の個数: 24

約数和(自身を含む): 1029195871200

約数和(自身を除く): 539226941060

約数列:

[1, 2, 4, 5, 10, 20, 3943, 7886, 15772, 19715, 39430, 78860, 6213149, 12426298, 24852596, 31065745, 62131490, 124262980, 24498446507, 48996893014, 97993786028, 122492232535, 244984465070, 489968930140]

約数ペア:

[(1, 489968930140), (2, 244984465070), (4, 122492232535), (5, 97993786028), (10, 48996893014), (20, 24498446507), (3943, 124262980), (7886, 62131490), (15772, 31065745), (19715, 24852596), (39430, 12426298), (78860, 6213149)]