7489940

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1901}}^1$

素因数の和:2107

約数の個数: 24

約数和(自身を含む): 15817032

約数和(自身を除く): 8327092

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1901, 1970, 3802, 3940, 7604, 9505, 19010, 38020, 374497, 748994, 1497988, 1872485, 3744970, 7489940]

約数ペア:

[(1, 7489940), (2, 3744970), (4, 1872485), (5, 1497988), (10, 748994), (20, 374497), (197, 38020), (394, 19010), (788, 9505), (985, 7604), (1901, 3940), (1970, 3802)]