9871540

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{1439}}^1$

素因数の和:1469

約数の個数: 48

約数和(自身を含む): 24192000

約数和(自身を除く): 14320460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1439, 1715, 2878, 3430, 5756, 6860, 7195, 10073, 14390, 20146, 28780, 40292, 50365, 70511, 100730, 141022, 201460, 282044, 352555, 493577, 705110, 987154, 1410220, 1974308, 2467885, 4935770, 9871540]

約数ペア:

[(1, 9871540), (2, 4935770), (4, 2467885), (5, 1974308), (7, 1410220), (10, 987154), (14, 705110), (20, 493577), (28, 352555), (35, 282044), (49, 201460), (70, 141022), (98, 100730), (140, 70511), (196, 50365), (245, 40292), (343, 28780), (490, 20146), (686, 14390), (980, 10073), (1372, 7195), (1439, 6860), (1715, 5756), (2878, 3430)]