898980140

素因数分解:

$2^2\times 5^1\times {\mathrm{7237}}^1\times {\mathrm{6211}}^1$

素因数の和:13457

約数の個数: 24

約数和(自身を含む): 1888423152

約数和(自身を除く): 989443012

約数列:

[1, 2, 4, 5, 10, 20, 6211, 7237, 12422, 14474, 24844, 28948, 31055, 36185, 62110, 72370, 124220, 144740, 44949007, 89898014, 179796028, 224745035, 449490070, 898980140]

約数ペア:

[(1, 898980140), (2, 449490070), (4, 224745035), (5, 179796028), (10, 89898014), (20, 44949007), (6211, 144740), (7237, 124220), (12422, 72370), (14474, 62110), (24844, 36185), (28948, 31055)]