205657830

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{326441}}^1$

素因数の和:326461

約数の個数: 48

約数和(自身を含む): 611099424

約数和(自身を除く): 405441594

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 326441, 652882, 979323, 1632205, 1958646, 2285087, 2937969, 3264410, 4570174, 4896615, 5875938, 6855261, 9793230, 11425435, 13710522, 14689845, 20565783, 22850870, 29379690, 34276305, 41131566, 68552610, 102828915, 205657830]

約数ペア:

[(1, 205657830), (2, 102828915), (3, 68552610), (5, 41131566), (6, 34276305), (7, 29379690), (9, 22850870), (10, 20565783), (14, 14689845), (15, 13710522), (18, 11425435), (21, 9793230), (30, 6855261), (35, 5875938), (42, 4896615), (45, 4570174), (63, 3264410), (70, 2937969), (90, 2285087), (105, 1958646), (126, 1632205), (210, 979323), (315, 652882), (630, 326441)]