10939880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{439}}^1$

素因数の和:546

約数の個数: 64

約数和(自身を含む): 28512000

約数和(自身を除く): 17572120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 89, 140, 178, 280, 356, 439, 445, 623, 712, 878, 890, 1246, 1756, 1780, 2195, 2492, 3073, 3115, 3512, 3560, 4390, 4984, 6146, 6230, 8780, 12292, 12460, 15365, 17560, 24584, 24920, 30730, 39071, 61460, 78142, 122920, 156284, 195355, 273497, 312568, 390710, 546994, 781420, 1093988, 1367485, 1562840, 2187976, 2734970, 5469940, 10939880]

約数ペア:

[(1, 10939880), (2, 5469940), (4, 2734970), (5, 2187976), (7, 1562840), (8, 1367485), (10, 1093988), (14, 781420), (20, 546994), (28, 390710), (35, 312568), (40, 273497), (56, 195355), (70, 156284), (89, 122920), (140, 78142), (178, 61460), (280, 39071), (356, 30730), (439, 24920), (445, 24584), (623, 17560), (712, 15365), (878, 12460), (890, 12292), (1246, 8780), (1756, 6230), (1780, 6146), (2195, 4984), (2492, 4390), (3073, 3560), (3115, 3512)]