165242060

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{179}}^1\times {\mathrm{457}}^1$

素因数の和:746

約数の個数: 48

約数和(自身を含む): 353172960

約数和(自身を除く): 187930900

約数列:

[1, 2, 4, 5, 10, 20, 101, 179, 202, 358, 404, 457, 505, 716, 895, 914, 1010, 1790, 1828, 2020, 2285, 3580, 4570, 9140, 18079, 36158, 46157, 72316, 81803, 90395, 92314, 163606, 180790, 184628, 230785, 327212, 361580, 409015, 461570, 818030, 923140, 1636060, 8262103, 16524206, 33048412, 41310515, 82621030, 165242060]

約数ペア:

[(1, 165242060), (2, 82621030), (4, 41310515), (5, 33048412), (10, 16524206), (20, 8262103), (101, 1636060), (179, 923140), (202, 818030), (358, 461570), (404, 409015), (457, 361580), (505, 327212), (716, 230785), (895, 184628), (914, 180790), (1010, 163606), (1790, 92314), (1828, 90395), (2020, 81803), (2285, 72316), (3580, 46157), (4570, 36158), (9140, 18079)]