139998649210

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{5189}}^1\times {\mathrm{55061}}^1$

素因数の和:60271

約数の個数: 48

約数和(自身を含む): 293201846280

約数和(自身を除く): 153203197070

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 5189, 10378, 25945, 36323, 51890, 55061, 72646, 110122, 181615, 254261, 275305, 363230, 385427, 508522, 550610, 770854, 1271305, 1927135, 2542610, 2697989, 3854270, 5395978, 13489945, 26979890, 285711529, 571423058, 1428557645, 1999980703, 2857115290, 3999961406, 9999903515, 13999864921, 19999807030, 27999729842, 69999324605, 139998649210]

約数ペア:

[(1, 139998649210), (2, 69999324605), (5, 27999729842), (7, 19999807030), (10, 13999864921), (14, 9999903515), (35, 3999961406), (49, 2857115290), (70, 1999980703), (98, 1428557645), (245, 571423058), (490, 285711529), (5189, 26979890), (10378, 13489945), (25945, 5395978), (36323, 3854270), (51890, 2697989), (55061, 2542610), (72646, 1927135), (110122, 1271305), (181615, 770854), (254261, 550610), (275305, 508522), (363230, 385427)]