28918190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1279}}^1$

素因数の和:1329

約数の個数: 64

約数和(自身を含む): 66355200

約数和(自身を除く): 37437010

約数列:

[1, 2, 5, 7, 10, 14, 17, 19, 34, 35, 38, 70, 85, 95, 119, 133, 170, 190, 238, 266, 323, 595, 646, 665, 1190, 1279, 1330, 1615, 2261, 2558, 3230, 4522, 6395, 8953, 11305, 12790, 17906, 21743, 22610, 24301, 43486, 44765, 48602, 89530, 108715, 121505, 152201, 170107, 217430, 243010, 304402, 340214, 413117, 761005, 826234, 850535, 1522010, 1701070, 2065585, 2891819, 4131170, 5783638, 14459095, 28918190]

約数ペア:

[(1, 28918190), (2, 14459095), (5, 5783638), (7, 4131170), (10, 2891819), (14, 2065585), (17, 1701070), (19, 1522010), (34, 850535), (35, 826234), (38, 761005), (70, 413117), (85, 340214), (95, 304402), (119, 243010), (133, 217430), (170, 170107), (190, 152201), (238, 121505), (266, 108715), (323, 89530), (595, 48602), (646, 44765), (665, 43486), (1190, 24301), (1279, 22610), (1330, 21743), (1615, 17906), (2261, 12790), (2558, 11305), (3230, 8953), (4522, 6395)]