248626280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{457}}^1$

素因数の和:571

約数の個数: 128

約数和(自身を含む): 672710400

約数和(自身を除く): 424084120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 67, 70, 116, 134, 140, 145, 203, 232, 268, 280, 290, 335, 406, 457, 469, 536, 580, 670, 812, 914, 938, 1015, 1160, 1340, 1624, 1828, 1876, 1943, 2030, 2285, 2345, 2680, 3199, 3656, 3752, 3886, 4060, 4570, 4690, 6398, 7772, 8120, 9140, 9380, 9715, 12796, 13253, 13601, 15544, 15995, 18280, 18760, 19430, 25592, 26506, 27202, 30619, 31990, 38860, 53012, 54404, 61238, 63980, 66265, 68005, 77720, 92771, 106024, 108808, 122476, 127960, 132530, 136010, 153095, 185542, 214333, 244952, 265060, 272020, 306190, 371084, 428666, 463855, 530120, 544040, 612380, 742168, 857332, 887951, 927710, 1071665, 1224760, 1714664, 1775902, 1855420, 2143330, 3551804, 3710840, 4286660, 4439755, 6215657, 7103608, 8573320, 8879510, 12431314, 17759020, 24862628, 31078285, 35518040, 49725256, 62156570, 124313140, 248626280]

約数ペア:

[(1, 248626280), (2, 124313140), (4, 62156570), (5, 49725256), (7, 35518040), (8, 31078285), (10, 24862628), (14, 17759020), (20, 12431314), (28, 8879510), (29, 8573320), (35, 7103608), (40, 6215657), (56, 4439755), (58, 4286660), (67, 3710840), (70, 3551804), (116, 2143330), (134, 1855420), (140, 1775902), (145, 1714664), (203, 1224760), (232, 1071665), (268, 927710), (280, 887951), (290, 857332), (335, 742168), (406, 612380), (457, 544040), (469, 530120), (536, 463855), (580, 428666), (670, 371084), (812, 306190), (914, 272020), (938, 265060), (1015, 244952), (1160, 214333), (1340, 185542), (1624, 153095), (1828, 136010), (1876, 132530), (1943, 127960), (2030, 122476), (2285, 108808), (2345, 106024), (2680, 92771), (3199, 77720), (3656, 68005), (3752, 66265), (3886, 63980), (4060, 61238), (4570, 54404), (4690, 53012), (6398, 38860), (7772, 31990), (8120, 30619), (9140, 27202), (9380, 26506), (9715, 25592), (12796, 19430), (13253, 18760), (13601, 18280), (15544, 15995)]