428075120

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{486449}}^1$

素因数の和:486473

約数の個数: 40

約数和(自身を含む): 1085756400

約数和(自身を除く): 657681280

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 486449, 972898, 1945796, 2432245, 3891592, 4864490, 5350939, 7783184, 9728980, 10701878, 19457960, 21403756, 26754695, 38915920, 42807512, 53509390, 85615024, 107018780, 214037560, 428075120]

約数ペア:

[(1, 428075120), (2, 214037560), (4, 107018780), (5, 85615024), (8, 53509390), (10, 42807512), (11, 38915920), (16, 26754695), (20, 21403756), (22, 19457960), (40, 10701878), (44, 9728980), (55, 7783184), (80, 5350939), (88, 4864490), (110, 3891592), (176, 2432245), (220, 1945796), (440, 972898), (880, 486449)]