142564520

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{10391}}^1$

素因数の和:10423

約数の個数: 64

約数和(自身を含む): 374112000

約数和(自身を除く): 231547480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1372, 1715, 1960, 2744, 3430, 6860, 10391, 13720, 20782, 41564, 51955, 72737, 83128, 103910, 145474, 207820, 290948, 363685, 415640, 509159, 581896, 727370, 1018318, 1454740, 2036636, 2545795, 2909480, 3564113, 4073272, 5091590, 7128226, 10183180, 14256452, 17820565, 20366360, 28512904, 35641130, 71282260, 142564520]

約数ペア:

[(1, 142564520), (2, 71282260), (4, 35641130), (5, 28512904), (7, 20366360), (8, 17820565), (10, 14256452), (14, 10183180), (20, 7128226), (28, 5091590), (35, 4073272), (40, 3564113), (49, 2909480), (56, 2545795), (70, 2036636), (98, 1454740), (140, 1018318), (196, 727370), (245, 581896), (280, 509159), (343, 415640), (392, 363685), (490, 290948), (686, 207820), (980, 145474), (1372, 103910), (1715, 83128), (1960, 72737), (2744, 51955), (3430, 41564), (6860, 20782), (10391, 13720)]