631840

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{359}}^1$

素因数の和:385

約数の個数: 48

約数和(自身を含む): 1632960

約数和(自身を除く): 1001120

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 359, 440, 718, 880, 1436, 1760, 1795, 2872, 3590, 3949, 5744, 7180, 7898, 11488, 14360, 15796, 19745, 28720, 31592, 39490, 57440, 63184, 78980, 126368, 157960, 315920, 631840]

約数ペア:

[(1, 631840), (2, 315920), (4, 157960), (5, 126368), (8, 78980), (10, 63184), (11, 57440), (16, 39490), (20, 31592), (22, 28720), (32, 19745), (40, 15796), (44, 14360), (55, 11488), (80, 7898), (88, 7180), (110, 5744), (160, 3949), (176, 3590), (220, 2872), (352, 1795), (359, 1760), (440, 1436), (718, 880)]