2289940

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1877}}^1$

素因数の和:1947

約数の個数: 24

約数和(自身を含む): 4890312

約数和(自身を除く): 2600372

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 1877, 3754, 7508, 9385, 18770, 37540, 114497, 228994, 457988, 572485, 1144970, 2289940]

約数ペア:

[(1, 2289940), (2, 1144970), (4, 572485), (5, 457988), (10, 228994), (20, 114497), (61, 37540), (122, 18770), (244, 9385), (305, 7508), (610, 3754), (1220, 1877)]