5469940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{439}}^1$

素因数の和:544

約数の個数: 48

約数和(自身を含む): 13305600

約数和(自身を除く): 7835660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 439, 445, 623, 878, 890, 1246, 1756, 1780, 2195, 2492, 3073, 3115, 4390, 6146, 6230, 8780, 12292, 12460, 15365, 30730, 39071, 61460, 78142, 156284, 195355, 273497, 390710, 546994, 781420, 1093988, 1367485, 2734970, 5469940]

約数ペア:

[(1, 5469940), (2, 2734970), (4, 1367485), (5, 1093988), (7, 781420), (10, 546994), (14, 390710), (20, 273497), (28, 195355), (35, 156284), (70, 78142), (89, 61460), (140, 39071), (178, 30730), (356, 15365), (439, 12460), (445, 12292), (623, 8780), (878, 6230), (890, 6146), (1246, 4390), (1756, 3115), (1780, 3073), (2195, 2492)]