220778885

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1$

素因数の和:421

約数の個数: 32

約数和(自身を含む): 282268800

約数和(自身を除く): 61489915

約数列:

[1, 5, 29, 59, 131, 145, 197, 295, 655, 985, 1711, 3799, 5713, 7729, 8555, 11623, 18995, 25807, 28565, 38645, 58115, 129035, 224141, 337067, 748403, 1120705, 1522613, 1685335, 3742015, 7613065, 44155777, 220778885]

約数ペア:

[(1, 220778885), (5, 44155777), (29, 7613065), (59, 3742015), (131, 1685335), (145, 1522613), (197, 1120705), (295, 748403), (655, 337067), (985, 224141), (1711, 129035), (3799, 58115), (5713, 38645), (7729, 28565), (8555, 25807), (11623, 18995)]