194880880

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{439}}^1$

素因数の和:662

約数の個数: 80

約数和(自身を含む): 471398400

約数和(自身を除く): 276517520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 179, 248, 310, 358, 439, 496, 620, 716, 878, 895, 1240, 1432, 1756, 1790, 2195, 2480, 2864, 3512, 3580, 4390, 5549, 7024, 7160, 8780, 11098, 13609, 14320, 17560, 22196, 27218, 27745, 35120, 44392, 54436, 55490, 68045, 78581, 88784, 108872, 110980, 136090, 157162, 217744, 221960, 272180, 314324, 392905, 443920, 544360, 628648, 785810, 1088720, 1257296, 1571620, 2436011, 3143240, 4872022, 6286480, 9744044, 12180055, 19488088, 24360110, 38976176, 48720220, 97440440, 194880880]

約数ペア:

[(1, 194880880), (2, 97440440), (4, 48720220), (5, 38976176), (8, 24360110), (10, 19488088), (16, 12180055), (20, 9744044), (31, 6286480), (40, 4872022), (62, 3143240), (80, 2436011), (124, 1571620), (155, 1257296), (179, 1088720), (248, 785810), (310, 628648), (358, 544360), (439, 443920), (496, 392905), (620, 314324), (716, 272180), (878, 221960), (895, 217744), (1240, 157162), (1432, 136090), (1756, 110980), (1790, 108872), (2195, 88784), (2480, 78581), (2864, 68045), (3512, 55490), (3580, 54436), (4390, 44392), (5549, 35120), (7024, 27745), (7160, 27218), (8780, 22196), (11098, 17560), (13609, 14320)]