147303820

素因数分解:

$2^2\times 5^1\times {\mathrm{821}}^1\times {\mathrm{8971}}^1$

素因数の和:9801

約数の個数: 24

約数和(自身を含む): 309749328

約数和(自身を除く): 162445508

約数列:

[1, 2, 4, 5, 10, 20, 821, 1642, 3284, 4105, 8210, 8971, 16420, 17942, 35884, 44855, 89710, 179420, 7365191, 14730382, 29460764, 36825955, 73651910, 147303820]

約数ペア:

[(1, 147303820), (2, 73651910), (4, 36825955), (5, 29460764), (10, 14730382), (20, 7365191), (821, 179420), (1642, 89710), (3284, 44855), (4105, 35884), (8210, 17942), (8971, 16420)]