1277310710

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{277}}^1\times {\mathrm{449}}^1$

素因数の和:825

約数の個数: 64

約数和(自身を含む): 2522016000

約数和(自身を除く): 1244705290

約数列:

[1, 2, 5, 10, 13, 26, 65, 79, 130, 158, 277, 395, 449, 554, 790, 898, 1027, 1385, 2054, 2245, 2770, 3601, 4490, 5135, 5837, 7202, 10270, 11674, 18005, 21883, 29185, 35471, 36010, 43766, 58370, 70942, 109415, 124373, 177355, 218830, 248746, 284479, 354710, 461123, 568958, 621865, 922246, 1243730, 1422395, 1616849, 2305615, 2844790, 3233698, 4611230, 8084245, 9825467, 16168490, 19650934, 49127335, 98254670, 127731071, 255462142, 638655355, 1277310710]

約数ペア:

[(1, 1277310710), (2, 638655355), (5, 255462142), (10, 127731071), (13, 98254670), (26, 49127335), (65, 19650934), (79, 16168490), (130, 9825467), (158, 8084245), (277, 4611230), (395, 3233698), (449, 2844790), (554, 2305615), (790, 1616849), (898, 1422395), (1027, 1243730), (1385, 922246), (2054, 621865), (2245, 568958), (2770, 461123), (3601, 354710), (4490, 284479), (5135, 248746), (5837, 218830), (7202, 177355), (10270, 124373), (11674, 109415), (18005, 70942), (21883, 58370), (29185, 43766), (35471, 36010)]