172760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{617}}^1$

素因数の和:635

約数の個数: 32

約数和(自身を含む): 444960

約数和(自身を除く): 272200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 617, 1234, 2468, 3085, 4319, 4936, 6170, 8638, 12340, 17276, 21595, 24680, 34552, 43190, 86380, 172760]

約数ペア:

[(1, 172760), (2, 86380), (4, 43190), (5, 34552), (7, 24680), (8, 21595), (10, 17276), (14, 12340), (20, 8638), (28, 6170), (35, 4936), (40, 4319), (56, 3085), (70, 2468), (140, 1234), (280, 617)]