131458180

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{19163}}^1$

素因数の和:19193

約数の個数: 48

約数和(自身を含む): 321955200

約数和(自身を除く): 190497020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 19163, 38326, 76652, 95815, 134141, 191630, 268282, 383260, 536564, 670705, 938987, 1341410, 1877974, 2682820, 3755948, 4694935, 6572909, 9389870, 13145818, 18779740, 26291636, 32864545, 65729090, 131458180]

約数ペア:

[(1, 131458180), (2, 65729090), (4, 32864545), (5, 26291636), (7, 18779740), (10, 13145818), (14, 9389870), (20, 6572909), (28, 4694935), (35, 3755948), (49, 2682820), (70, 1877974), (98, 1341410), (140, 938987), (196, 670705), (245, 536564), (343, 383260), (490, 268282), (686, 191630), (980, 134141), (1372, 95815), (1715, 76652), (3430, 38326), (6860, 19163)]