177528020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{3361}}^1$

素因数の和:3528

約数の個数: 48

約数和(自身を含む): 395371200

約数和(自身を除く): 217843180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 139, 190, 278, 380, 556, 695, 1390, 2641, 2780, 3361, 5282, 6722, 10564, 13205, 13444, 16805, 26410, 33610, 52820, 63859, 67220, 127718, 255436, 319295, 467179, 638590, 934358, 1277180, 1868716, 2335895, 4671790, 8876401, 9343580, 17752802, 35505604, 44382005, 88764010, 177528020]

約数ペア:

[(1, 177528020), (2, 88764010), (4, 44382005), (5, 35505604), (10, 17752802), (19, 9343580), (20, 8876401), (38, 4671790), (76, 2335895), (95, 1868716), (139, 1277180), (190, 934358), (278, 638590), (380, 467179), (556, 319295), (695, 255436), (1390, 127718), (2641, 67220), (2780, 63859), (3361, 52820), (5282, 33610), (6722, 26410), (10564, 16805), (13205, 13444)]