13921880

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{7103}}^1$

素因数の和:7128

約数の個数: 48

約数和(自身を含む): 36443520

約数和(自身を除く): 22521640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 7103, 14206, 28412, 35515, 49721, 56824, 71030, 99442, 142060, 198884, 248605, 284120, 348047, 397768, 497210, 696094, 994420, 1392188, 1740235, 1988840, 2784376, 3480470, 6960940, 13921880]

約数ペア:

[(1, 13921880), (2, 6960940), (4, 3480470), (5, 2784376), (7, 1988840), (8, 1740235), (10, 1392188), (14, 994420), (20, 696094), (28, 497210), (35, 397768), (40, 348047), (49, 284120), (56, 248605), (70, 198884), (98, 142060), (140, 99442), (196, 71030), (245, 56824), (280, 49721), (392, 35515), (490, 28412), (980, 14206), (1960, 7103)]