551415740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{14879}}^1$

素因数の和:15014

約数の個数: 48

約数和(自身を含む): 1237420800

約数和(自身を除く): 686005060

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 109, 170, 218, 340, 436, 545, 1090, 1853, 2180, 3706, 7412, 9265, 14879, 18530, 29758, 37060, 59516, 74395, 148790, 252943, 297580, 505886, 1011772, 1264715, 1621811, 2529430, 3243622, 5058860, 6487244, 8109055, 16218110, 27570787, 32436220, 55141574, 110283148, 137853935, 275707870, 551415740]

約数ペア:

[(1, 551415740), (2, 275707870), (4, 137853935), (5, 110283148), (10, 55141574), (17, 32436220), (20, 27570787), (34, 16218110), (68, 8109055), (85, 6487244), (109, 5058860), (170, 3243622), (218, 2529430), (340, 1621811), (436, 1264715), (545, 1011772), (1090, 505886), (1853, 297580), (2180, 252943), (3706, 148790), (7412, 74395), (9265, 59516), (14879, 37060), (18530, 29758)]