139727420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{8387}}^1$

素因数の和:8427

約数の個数: 72

約数和(自身を含む): 361455696

約数和(自身を除く): 221728276

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 49, 68, 70, 85, 98, 119, 140, 170, 196, 238, 245, 340, 476, 490, 595, 833, 980, 1190, 1666, 2380, 3332, 4165, 8330, 8387, 16660, 16774, 33548, 41935, 58709, 83870, 117418, 142579, 167740, 234836, 285158, 293545, 410963, 570316, 587090, 712895, 821926, 998053, 1174180, 1425790, 1643852, 1996106, 2054815, 2851580, 3992212, 4109630, 4990265, 6986371, 8219260, 9980530, 13972742, 19961060, 27945484, 34931855, 69863710, 139727420]

約数ペア:

[(1, 139727420), (2, 69863710), (4, 34931855), (5, 27945484), (7, 19961060), (10, 13972742), (14, 9980530), (17, 8219260), (20, 6986371), (28, 4990265), (34, 4109630), (35, 3992212), (49, 2851580), (68, 2054815), (70, 1996106), (85, 1643852), (98, 1425790), (119, 1174180), (140, 998053), (170, 821926), (196, 712895), (238, 587090), (245, 570316), (340, 410963), (476, 293545), (490, 285158), (595, 234836), (833, 167740), (980, 142579), (1190, 117418), (1666, 83870), (2380, 58709), (3332, 41935), (4165, 33548), (8330, 16774), (8387, 16660)]