203426980

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^2\times {\mathrm{5501}}^1$

素因数の和:5596

約数の個数: 36

約数和(自身を含む): 437442012

約数和(自身を除く): 234015032

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 1849, 3698, 5501, 7396, 9245, 11002, 18490, 22004, 27505, 36980, 55010, 110020, 236543, 473086, 946172, 1182715, 2365430, 4730860, 10171349, 20342698, 40685396, 50856745, 101713490, 203426980]

約数ペア:

[(1, 203426980), (2, 101713490), (4, 50856745), (5, 40685396), (10, 20342698), (20, 10171349), (43, 4730860), (86, 2365430), (172, 1182715), (215, 946172), (430, 473086), (860, 236543), (1849, 110020), (3698, 55010), (5501, 36980), (7396, 27505), (9245, 22004), (11002, 18490)]