245514570

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{2777}}^1$

素因数の和:3215

約数の個数: 64

約数和(自身を含む): 675254016

約数和(自身を除く): 429739446

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 421, 842, 1263, 2105, 2526, 2777, 2947, 4210, 5554, 5894, 6315, 8331, 8841, 12630, 13885, 14735, 16662, 17682, 19439, 27770, 29470, 38878, 41655, 44205, 58317, 83310, 88410, 97195, 116634, 194390, 291585, 583170, 1169117, 2338234, 3507351, 5845585, 7014702, 8183819, 11691170, 16367638, 17536755, 24551457, 35073510, 40919095, 49102914, 81838190, 122757285, 245514570]

約数ペア:

[(1, 245514570), (2, 122757285), (3, 81838190), (5, 49102914), (6, 40919095), (7, 35073510), (10, 24551457), (14, 17536755), (15, 16367638), (21, 11691170), (30, 8183819), (35, 7014702), (42, 5845585), (70, 3507351), (105, 2338234), (210, 1169117), (421, 583170), (842, 291585), (1263, 194390), (2105, 116634), (2526, 97195), (2777, 88410), (2947, 83310), (4210, 58317), (5554, 44205), (5894, 41655), (6315, 38878), (8331, 29470), (8841, 27770), (12630, 19439), (13885, 17682), (14735, 16662)]