8926120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{449}}^1$

素因数の和:538

約数の個数: 64

約数和(自身を含む): 23328000

約数和(自身を除く): 14401880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 449, 497, 568, 710, 898, 994, 1420, 1796, 1988, 2245, 2485, 2840, 3143, 3592, 3976, 4490, 4970, 6286, 8980, 9940, 12572, 15715, 17960, 19880, 25144, 31430, 31879, 62860, 63758, 125720, 127516, 159395, 223153, 255032, 318790, 446306, 637580, 892612, 1115765, 1275160, 1785224, 2231530, 4463060, 8926120]

約数ペア:

[(1, 8926120), (2, 4463060), (4, 2231530), (5, 1785224), (7, 1275160), (8, 1115765), (10, 892612), (14, 637580), (20, 446306), (28, 318790), (35, 255032), (40, 223153), (56, 159395), (70, 127516), (71, 125720), (140, 63758), (142, 62860), (280, 31879), (284, 31430), (355, 25144), (449, 19880), (497, 17960), (568, 15715), (710, 12572), (898, 9940), (994, 8980), (1420, 6286), (1796, 4970), (1988, 4490), (2245, 3976), (2485, 3592), (2840, 3143)]