163676380

素因数分解:

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

素因数の和:3214

約数の個数: 48

約数和(自身を含む): 393898176

約数和(自身を除く): 230221796

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 421, 842, 1684, 2105, 2777, 2947, 4210, 5554, 5894, 8420, 11108, 11788, 13885, 14735, 19439, 27770, 29470, 38878, 55540, 58940, 77756, 97195, 194390, 388780, 1169117, 2338234, 4676468, 5845585, 8183819, 11691170, 16367638, 23382340, 32735276, 40919095, 81838190, 163676380]

約数ペア:

[(1, 163676380), (2, 81838190), (4, 40919095), (5, 32735276), (7, 23382340), (10, 16367638), (14, 11691170), (20, 8183819), (28, 5845585), (35, 4676468), (70, 2338234), (140, 1169117), (421, 388780), (842, 194390), (1684, 97195), (2105, 77756), (2777, 58940), (2947, 55540), (4210, 38878), (5554, 29470), (5894, 27770), (8420, 19439), (11108, 14735), (11788, 13885)]