28991200

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1$

素因数の和:225

約数の個数: 144

約数和(自身を含む): 83994624

約数和(自身を除く): 55003424

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 31, 32, 35, 40, 50, 56, 62, 70, 80, 100, 112, 124, 140, 155, 160, 167, 175, 200, 217, 224, 248, 280, 310, 334, 350, 400, 434, 496, 560, 620, 668, 700, 775, 800, 835, 868, 992, 1085, 1120, 1169, 1240, 1336, 1400, 1550, 1670, 1736, 2170, 2338, 2480, 2672, 2800, 3100, 3340, 3472, 4175, 4340, 4676, 4960, 5177, 5344, 5425, 5600, 5845, 6200, 6680, 6944, 8350, 8680, 9352, 10354, 10850, 11690, 12400, 13360, 16700, 17360, 18704, 20708, 21700, 23380, 24800, 25885, 26720, 29225, 33400, 34720, 36239, 37408, 41416, 43400, 46760, 51770, 58450, 66800, 72478, 82832, 86800, 93520, 103540, 116900, 129425, 133600, 144956, 165664, 173600, 181195, 187040, 207080, 233800, 258850, 289912, 362390, 414160, 467600, 517700, 579824, 724780, 828320, 905975, 935200, 1035400, 1159648, 1449560, 1811950, 2070800, 2899120, 3623900, 4141600, 5798240, 7247800, 14495600, 28991200]

約数ペア:

[(1, 28991200), (2, 14495600), (4, 7247800), (5, 5798240), (7, 4141600), (8, 3623900), (10, 2899120), (14, 2070800), (16, 1811950), (20, 1449560), (25, 1159648), (28, 1035400), (31, 935200), (32, 905975), (35, 828320), (40, 724780), (50, 579824), (56, 517700), (62, 467600), (70, 414160), (80, 362390), (100, 289912), (112, 258850), (124, 233800), (140, 207080), (155, 187040), (160, 181195), (167, 173600), (175, 165664), (200, 144956), (217, 133600), (224, 129425), (248, 116900), (280, 103540), (310, 93520), (334, 86800), (350, 82832), (400, 72478), (434, 66800), (496, 58450), (560, 51770), (620, 46760), (668, 43400), (700, 41416), (775, 37408), (800, 36239), (835, 34720), (868, 33400), (992, 29225), (1085, 26720), (1120, 25885), (1169, 24800), (1240, 23380), (1336, 21700), (1400, 20708), (1550, 18704), (1670, 17360), (1736, 16700), (2170, 13360), (2338, 12400), (2480, 11690), (2672, 10850), (2800, 10354), (3100, 9352), (3340, 8680), (3472, 8350), (4175, 6944), (4340, 6680), (4676, 6200), (4960, 5845), (5177, 5600), (5344, 5425)]