205135480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{3671}}^1$

素因数の和:3820

約数の個数: 64

約数和(自身を含む): 507617280

約数和(自身を除く): 302481800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 127, 220, 254, 440, 508, 635, 1016, 1270, 1397, 2540, 2794, 3671, 5080, 5588, 6985, 7342, 11176, 13970, 14684, 18355, 27940, 29368, 36710, 40381, 55880, 73420, 80762, 146840, 161524, 201905, 323048, 403810, 466217, 807620, 932434, 1615240, 1864868, 2331085, 3729736, 4662170, 5128387, 9324340, 10256774, 18648680, 20513548, 25641935, 41027096, 51283870, 102567740, 205135480]

約数ペア:

[(1, 205135480), (2, 102567740), (4, 51283870), (5, 41027096), (8, 25641935), (10, 20513548), (11, 18648680), (20, 10256774), (22, 9324340), (40, 5128387), (44, 4662170), (55, 3729736), (88, 2331085), (110, 1864868), (127, 1615240), (220, 932434), (254, 807620), (440, 466217), (508, 403810), (635, 323048), (1016, 201905), (1270, 161524), (1397, 146840), (2540, 80762), (2794, 73420), (3671, 55880), (5080, 40381), (5588, 36710), (6985, 29368), (7342, 27940), (11176, 18355), (13970, 14684)]