257219568

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2293}}^1$

素因数の和:2367

約数の個数: 120

約数和(自身を含む): 776564880

約数和(自身を除く): 519345312

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 36, 38, 41, 48, 57, 72, 76, 82, 114, 123, 144, 152, 164, 171, 228, 246, 304, 328, 342, 369, 456, 492, 656, 684, 738, 779, 912, 984, 1368, 1476, 1558, 1968, 2293, 2337, 2736, 2952, 3116, 4586, 4674, 5904, 6232, 6879, 7011, 9172, 9348, 12464, 13758, 14022, 18344, 18696, 20637, 27516, 28044, 36688, 37392, 41274, 43567, 55032, 56088, 82548, 87134, 94013, 110064, 112176, 130701, 165096, 174268, 188026, 261402, 282039, 330192, 348536, 376052, 392103, 522804, 564078, 697072, 752104, 784206, 846117, 1045608, 1128156, 1504208, 1568412, 1692234, 1786247, 2091216, 2256312, 3136824, 3384468, 3572494, 4512624, 5358741, 6273648, 6768936, 7144988, 10717482, 13537872, 14289976, 16076223, 21434964, 28579952, 32152446, 42869928, 64304892, 85739856, 128609784, 257219568]

約数ペア:

[(1, 257219568), (2, 128609784), (3, 85739856), (4, 64304892), (6, 42869928), (8, 32152446), (9, 28579952), (12, 21434964), (16, 16076223), (18, 14289976), (19, 13537872), (24, 10717482), (36, 7144988), (38, 6768936), (41, 6273648), (48, 5358741), (57, 4512624), (72, 3572494), (76, 3384468), (82, 3136824), (114, 2256312), (123, 2091216), (144, 1786247), (152, 1692234), (164, 1568412), (171, 1504208), (228, 1128156), (246, 1045608), (304, 846117), (328, 784206), (342, 752104), (369, 697072), (456, 564078), (492, 522804), (656, 392103), (684, 376052), (738, 348536), (779, 330192), (912, 282039), (984, 261402), (1368, 188026), (1476, 174268), (1558, 165096), (1968, 130701), (2293, 112176), (2337, 110064), (2736, 94013), (2952, 87134), (3116, 82548), (4586, 56088), (4674, 55032), (5904, 43567), (6232, 41274), (6879, 37392), (7011, 36688), (9172, 28044), (9348, 27516), (12464, 20637), (13758, 18696), (14022, 18344)]