51220400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1663}}^1$

素因数の和:1699

約数の個数: 120

約数和(自身を含む): 153513984

約数和(自身を除く): 102293584

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 25, 28, 35, 40, 44, 50, 55, 56, 70, 77, 80, 88, 100, 110, 112, 140, 154, 175, 176, 200, 220, 275, 280, 308, 350, 385, 400, 440, 550, 560, 616, 700, 770, 880, 1100, 1232, 1400, 1540, 1663, 1925, 2200, 2800, 3080, 3326, 3850, 4400, 6160, 6652, 7700, 8315, 11641, 13304, 15400, 16630, 18293, 23282, 26608, 30800, 33260, 36586, 41575, 46564, 58205, 66520, 73172, 83150, 91465, 93128, 116410, 128051, 133040, 146344, 166300, 182930, 186256, 232820, 256102, 291025, 292688, 332600, 365860, 457325, 465640, 512204, 582050, 640255, 665200, 731720, 914650, 931280, 1024408, 1164100, 1280510, 1463440, 1829300, 2048816, 2328200, 2561020, 3201275, 3658600, 4656400, 5122040, 6402550, 7317200, 10244080, 12805100, 25610200, 51220400]

約数ペア:

[(1, 51220400), (2, 25610200), (4, 12805100), (5, 10244080), (7, 7317200), (8, 6402550), (10, 5122040), (11, 4656400), (14, 3658600), (16, 3201275), (20, 2561020), (22, 2328200), (25, 2048816), (28, 1829300), (35, 1463440), (40, 1280510), (44, 1164100), (50, 1024408), (55, 931280), (56, 914650), (70, 731720), (77, 665200), (80, 640255), (88, 582050), (100, 512204), (110, 465640), (112, 457325), (140, 365860), (154, 332600), (175, 292688), (176, 291025), (200, 256102), (220, 232820), (275, 186256), (280, 182930), (308, 166300), (350, 146344), (385, 133040), (400, 128051), (440, 116410), (550, 93128), (560, 91465), (616, 83150), (700, 73172), (770, 66520), (880, 58205), (1100, 46564), (1232, 41575), (1400, 36586), (1540, 33260), (1663, 30800), (1925, 26608), (2200, 23282), (2800, 18293), (3080, 16630), (3326, 15400), (3850, 13304), (4400, 11641), (6160, 8315), (6652, 7700)]