257399088

素因数分解:

$2^4\times 3^1\times {\mathrm{139}}^1\times {\mathrm{173}}^1\times {\mathrm{223}}^1$

素因数の和:546

約数の個数: 80

約数和(自身を含む): 676623360

約数和(自身を除く): 419224272

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 139, 173, 223, 278, 346, 417, 446, 519, 556, 669, 692, 834, 892, 1038, 1112, 1338, 1384, 1668, 1784, 2076, 2224, 2676, 2768, 3336, 3568, 4152, 5352, 6672, 8304, 10704, 24047, 30997, 38579, 48094, 61994, 72141, 77158, 92991, 96188, 115737, 123988, 144282, 154316, 185982, 192376, 231474, 247976, 288564, 308632, 371964, 384752, 462948, 495952, 577128, 617264, 743928, 925896, 1154256, 1487856, 1851792, 5362481, 10724962, 16087443, 21449924, 32174886, 42899848, 64349772, 85799696, 128699544, 257399088]

約数ペア:

[(1, 257399088), (2, 128699544), (3, 85799696), (4, 64349772), (6, 42899848), (8, 32174886), (12, 21449924), (16, 16087443), (24, 10724962), (48, 5362481), (139, 1851792), (173, 1487856), (223, 1154256), (278, 925896), (346, 743928), (417, 617264), (446, 577128), (519, 495952), (556, 462948), (669, 384752), (692, 371964), (834, 308632), (892, 288564), (1038, 247976), (1112, 231474), (1338, 192376), (1384, 185982), (1668, 154316), (1784, 144282), (2076, 123988), (2224, 115737), (2676, 96188), (2768, 92991), (3336, 77158), (3568, 72141), (4152, 61994), (5352, 48094), (6672, 38579), (8304, 30997), (10704, 24047)]