1771036360

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{21379}}^1$

素因数の和:21518

約数の個数: 64

約数和(自身を含む): 4233240000

約数和(自身を除く): 2462203640

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 109, 152, 190, 218, 380, 436, 545, 760, 872, 1090, 2071, 2180, 4142, 4360, 8284, 10355, 16568, 20710, 21379, 41420, 42758, 82840, 85516, 106895, 171032, 213790, 406201, 427580, 812402, 855160, 1624804, 2031005, 2330311, 3249608, 4062010, 4660622, 8124020, 9321244, 11651555, 16248040, 18642488, 23303110, 44275909, 46606220, 88551818, 93212440, 177103636, 221379545, 354207272, 442759090, 885518180, 1771036360]

約数ペア:

[(1, 1771036360), (2, 885518180), (4, 442759090), (5, 354207272), (8, 221379545), (10, 177103636), (19, 93212440), (20, 88551818), (38, 46606220), (40, 44275909), (76, 23303110), (95, 18642488), (109, 16248040), (152, 11651555), (190, 9321244), (218, 8124020), (380, 4660622), (436, 4062010), (545, 3249608), (760, 2330311), (872, 2031005), (1090, 1624804), (2071, 855160), (2180, 812402), (4142, 427580), (4360, 406201), (8284, 213790), (10355, 171032), (16568, 106895), (20710, 85516), (21379, 82840), (41420, 42758)]