485280380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{18121}}^1$

素因数の和:18246

約数の個数: 48

約数和(自身を含む): 1108196544

約数和(自身を除く): 622916164

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 103, 130, 206, 260, 412, 515, 1030, 1339, 2060, 2678, 5356, 6695, 13390, 18121, 26780, 36242, 72484, 90605, 181210, 235573, 362420, 471146, 942292, 1177865, 1866463, 2355730, 3732926, 4711460, 7465852, 9332315, 18664630, 24264019, 37329260, 48528038, 97056076, 121320095, 242640190, 485280380]

約数ペア:

[(1, 485280380), (2, 242640190), (4, 121320095), (5, 97056076), (10, 48528038), (13, 37329260), (20, 24264019), (26, 18664630), (52, 9332315), (65, 7465852), (103, 4711460), (130, 3732926), (206, 2355730), (260, 1866463), (412, 1177865), (515, 942292), (1030, 471146), (1339, 362420), (2060, 235573), (2678, 181210), (5356, 90605), (6695, 72484), (13390, 36242), (18121, 26780)]