28929280

素因数分解:

$2^8\times 5^1\times {\mathrm{97}}^1\times {\mathrm{233}}^1$

素因数の和:351

約数の個数: 72

約数和(自身を含む): 70309512

約数和(自身を除く): 41380232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 97, 128, 160, 194, 233, 256, 320, 388, 466, 485, 640, 776, 932, 970, 1165, 1280, 1552, 1864, 1940, 2330, 3104, 3728, 3880, 4660, 6208, 7456, 7760, 9320, 12416, 14912, 15520, 18640, 22601, 24832, 29824, 31040, 37280, 45202, 59648, 62080, 74560, 90404, 113005, 124160, 149120, 180808, 226010, 298240, 361616, 452020, 723232, 904040, 1446464, 1808080, 2892928, 3616160, 5785856, 7232320, 14464640, 28929280]

約数ペア:

[(1, 28929280), (2, 14464640), (4, 7232320), (5, 5785856), (8, 3616160), (10, 2892928), (16, 1808080), (20, 1446464), (32, 904040), (40, 723232), (64, 452020), (80, 361616), (97, 298240), (128, 226010), (160, 180808), (194, 149120), (233, 124160), (256, 113005), (320, 90404), (388, 74560), (466, 62080), (485, 59648), (640, 45202), (776, 37280), (932, 31040), (970, 29824), (1165, 24832), (1280, 22601), (1552, 18640), (1864, 15520), (1940, 14912), (2330, 12416), (3104, 9320), (3728, 7760), (3880, 7456), (4660, 6208)]