30015820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{78989}}^1$

素因数の和:79017

約数の個数: 24

約数和(自身を含む): 66351600

約数和(自身を除く): 36335780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 78989, 157978, 315956, 394945, 789890, 1500791, 1579780, 3001582, 6003164, 7503955, 15007910, 30015820]

約数ペア:

[(1, 30015820), (2, 15007910), (4, 7503955), (5, 6003164), (10, 3001582), (19, 1579780), (20, 1500791), (38, 789890), (76, 394945), (95, 315956), (190, 157978), (380, 78989)]