551429860

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{719}}^1\times {\mathrm{1237}}^1$

素因数の和:1996

約数の個数: 48

約数和(自身を含む): 1197987840

約数和(自身を除く): 646557980

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 719, 1237, 1438, 2474, 2876, 3595, 4948, 6185, 7190, 12370, 14380, 22289, 24740, 38347, 44578, 76694, 89156, 111445, 153388, 191735, 222890, 383470, 445780, 766940, 889403, 1778806, 3557612, 4447015, 8894030, 17788060, 27571493, 55142986, 110285972, 137857465, 275714930, 551429860]

約数ペア:

[(1, 551429860), (2, 275714930), (4, 137857465), (5, 110285972), (10, 55142986), (20, 27571493), (31, 17788060), (62, 8894030), (124, 4447015), (155, 3557612), (310, 1778806), (620, 889403), (719, 766940), (1237, 445780), (1438, 383470), (2474, 222890), (2876, 191735), (3595, 153388), (4948, 111445), (6185, 89156), (7190, 76694), (12370, 44578), (14380, 38347), (22289, 24740)]