169845980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{4583}}^1$

素因数の和:4718

約数の個数: 48

約数和(自身を含む): 381205440

約数和(自身を除く): 211359460

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 109, 170, 218, 340, 436, 545, 1090, 1853, 2180, 3706, 4583, 7412, 9166, 9265, 18332, 18530, 22915, 37060, 45830, 77911, 91660, 155822, 311644, 389555, 499547, 779110, 999094, 1558220, 1998188, 2497735, 4995470, 8492299, 9990940, 16984598, 33969196, 42461495, 84922990, 169845980]

約数ペア:

[(1, 169845980), (2, 84922990), (4, 42461495), (5, 33969196), (10, 16984598), (17, 9990940), (20, 8492299), (34, 4995470), (68, 2497735), (85, 1998188), (109, 1558220), (170, 999094), (218, 779110), (340, 499547), (436, 389555), (545, 311644), (1090, 155822), (1853, 91660), (2180, 77911), (3706, 45830), (4583, 37060), (7412, 22915), (9166, 18530), (9265, 18332)]