210007640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{169361}}^1$

素因数の和:169403

約数の個数: 32

約数和(自身を含む): 487762560

約数和(自身を除く): 277754920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 169361, 338722, 677444, 846805, 1354888, 1693610, 3387220, 5250191, 6774440, 10500382, 21000764, 26250955, 42001528, 52501910, 105003820, 210007640]

約数ペア:

[(1, 210007640), (2, 105003820), (4, 52501910), (5, 42001528), (8, 26250955), (10, 21000764), (20, 10500382), (31, 6774440), (40, 5250191), (62, 3387220), (124, 1693610), (155, 1354888), (248, 846805), (310, 677444), (620, 338722), (1240, 169361)]