203749600

素因数分解:

$2^5\times 5^2\times {\mathrm{257}}^1\times {\mathrm{991}}^1$

素因数の和:1268

約数の個数: 72

約数和(自身を含む): 499843008

約数和(自身を除く): 296093408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 257, 400, 514, 800, 991, 1028, 1285, 1982, 2056, 2570, 3964, 4112, 4955, 5140, 6425, 7928, 8224, 9910, 10280, 12850, 15856, 19820, 20560, 24775, 25700, 31712, 39640, 41120, 49550, 51400, 79280, 99100, 102800, 158560, 198200, 205600, 254687, 396400, 509374, 792800, 1018748, 1273435, 2037496, 2546870, 4074992, 5093740, 6367175, 8149984, 10187480, 12734350, 20374960, 25468700, 40749920, 50937400, 101874800, 203749600]

約数ペア:

[(1, 203749600), (2, 101874800), (4, 50937400), (5, 40749920), (8, 25468700), (10, 20374960), (16, 12734350), (20, 10187480), (25, 8149984), (32, 6367175), (40, 5093740), (50, 4074992), (80, 2546870), (100, 2037496), (160, 1273435), (200, 1018748), (257, 792800), (400, 509374), (514, 396400), (800, 254687), (991, 205600), (1028, 198200), (1285, 158560), (1982, 102800), (2056, 99100), (2570, 79280), (3964, 51400), (4112, 49550), (4955, 41120), (5140, 39640), (6425, 31712), (7928, 25700), (8224, 24775), (9910, 20560), (10280, 19820), (12850, 15856)]