28200330

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{727}}^1$

素因数の和:1171

約数の個数: 48

約数和(自身を含む): 73592064

約数和(自身を除く): 45391734

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 431, 727, 862, 1293, 1454, 2155, 2181, 2586, 3635, 3879, 4310, 4362, 6465, 6543, 7270, 7758, 10905, 12930, 13086, 19395, 21810, 32715, 38790, 65430, 313337, 626674, 940011, 1566685, 1880022, 2820033, 3133370, 4700055, 5640066, 9400110, 14100165, 28200330]

約数ペア:

[(1, 28200330), (2, 14100165), (3, 9400110), (5, 5640066), (6, 4700055), (9, 3133370), (10, 2820033), (15, 1880022), (18, 1566685), (30, 940011), (45, 626674), (90, 313337), (431, 65430), (727, 38790), (862, 32715), (1293, 21810), (1454, 19395), (2155, 13086), (2181, 12930), (2586, 10905), (3635, 7758), (3879, 7270), (4310, 6543), (4362, 6465)]