244251640

素因数分解:

$2^3\times 5^1\times {\mathrm{283}}^1\times {\mathrm{21577}}^1$

素因数の和:21871

約数の個数: 32

約数和(自身を含む): 551533680

約数和(自身を除く): 307282040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 283, 566, 1132, 1415, 2264, 2830, 5660, 11320, 21577, 43154, 86308, 107885, 172616, 215770, 431540, 863080, 6106291, 12212582, 24425164, 30531455, 48850328, 61062910, 122125820, 244251640]

約数ペア:

[(1, 244251640), (2, 122125820), (4, 61062910), (5, 48850328), (8, 30531455), (10, 24425164), (20, 12212582), (40, 6106291), (283, 863080), (566, 431540), (1132, 215770), (1415, 172616), (2264, 107885), (2830, 86308), (5660, 43154), (11320, 21577)]