200905940

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{164677}}^1$

素因数の和:164747

約数の個数: 24

約数和(自身を含む): 428821512

約数和(自身を除く): 227915572

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 164677, 329354, 658708, 823385, 1646770, 3293540, 10045297, 20090594, 40181188, 50226485, 100452970, 200905940]

約数ペア:

[(1, 200905940), (2, 100452970), (4, 50226485), (5, 40181188), (10, 20090594), (20, 10045297), (61, 3293540), (122, 1646770), (244, 823385), (305, 658708), (610, 329354), (1220, 164677)]