268483420

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{197}}^1\times {\mathrm{821}}^1$

素因数の和:1110

約数の個数: 48

約数和(自身を含む): 574203168

約数和(自身を除く): 305719748

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 197, 332, 394, 415, 788, 821, 830, 985, 1642, 1660, 1970, 3284, 3940, 4105, 8210, 16351, 16420, 32702, 65404, 68143, 81755, 136286, 161737, 163510, 272572, 323474, 327020, 340715, 646948, 681430, 808685, 1362860, 1617370, 3234740, 13424171, 26848342, 53696684, 67120855, 134241710, 268483420]

約数ペア:

[(1, 268483420), (2, 134241710), (4, 67120855), (5, 53696684), (10, 26848342), (20, 13424171), (83, 3234740), (166, 1617370), (197, 1362860), (332, 808685), (394, 681430), (415, 646948), (788, 340715), (821, 327020), (830, 323474), (985, 272572), (1642, 163510), (1660, 161737), (1970, 136286), (3284, 81755), (3940, 68143), (4105, 65404), (8210, 32702), (16351, 16420)]