207978190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{1279}}^1$

素因数の和:1417

約数の個数: 64

約数和(自身を含む): 451215360

約数和(自身を除く): 243237170

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 101, 115, 161, 202, 230, 322, 505, 707, 805, 1010, 1279, 1414, 1610, 2323, 2558, 3535, 4646, 6395, 7070, 8953, 11615, 12790, 16261, 17906, 23230, 29417, 32522, 44765, 58834, 81305, 89530, 129179, 147085, 162610, 205919, 258358, 294170, 411838, 645895, 904253, 1029595, 1291790, 1808506, 2059190, 2971117, 4521265, 5942234, 9042530, 14855585, 20797819, 29711170, 41595638, 103989095, 207978190]

約数ペア:

[(1, 207978190), (2, 103989095), (5, 41595638), (7, 29711170), (10, 20797819), (14, 14855585), (23, 9042530), (35, 5942234), (46, 4521265), (70, 2971117), (101, 2059190), (115, 1808506), (161, 1291790), (202, 1029595), (230, 904253), (322, 645895), (505, 411838), (707, 294170), (805, 258358), (1010, 205919), (1279, 162610), (1414, 147085), (1610, 129179), (2323, 89530), (2558, 81305), (3535, 58834), (4646, 44765), (6395, 32522), (7070, 29417), (8953, 23230), (11615, 17906), (12790, 16261)]