139726640

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{229}}^1\times {\mathrm{263}}^1$

素因数の和:534

約数の個数: 80

約数和(自身を含む): 338817600

約数和(自身を除く): 199090960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 229, 232, 263, 290, 458, 464, 526, 580, 916, 1052, 1145, 1160, 1315, 1832, 2104, 2290, 2320, 2630, 3664, 4208, 4580, 5260, 6641, 7627, 9160, 10520, 13282, 15254, 18320, 21040, 26564, 30508, 33205, 38135, 53128, 60227, 61016, 66410, 76270, 106256, 120454, 122032, 132820, 152540, 240908, 265640, 301135, 305080, 481816, 531280, 602270, 610160, 963632, 1204540, 1746583, 2409080, 3493166, 4818160, 6986332, 8732915, 13972664, 17465830, 27945328, 34931660, 69863320, 139726640]

約数ペア:

[(1, 139726640), (2, 69863320), (4, 34931660), (5, 27945328), (8, 17465830), (10, 13972664), (16, 8732915), (20, 6986332), (29, 4818160), (40, 3493166), (58, 2409080), (80, 1746583), (116, 1204540), (145, 963632), (229, 610160), (232, 602270), (263, 531280), (290, 481816), (458, 305080), (464, 301135), (526, 265640), (580, 240908), (916, 152540), (1052, 132820), (1145, 122032), (1160, 120454), (1315, 106256), (1832, 76270), (2104, 66410), (2290, 61016), (2320, 60227), (2630, 53128), (3664, 38135), (4208, 33205), (4580, 30508), (5260, 26564), (6641, 21040), (7627, 18320), (9160, 15254), (10520, 13282)]