788753560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{113}}^1\times {\mathrm{257}}^1$

素因数の和:485

約数の個数: 128

約数和(自身を含む): 2075310720

約数和(自身を除く): 1286557160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 97, 113, 140, 194, 226, 257, 280, 388, 452, 485, 514, 565, 679, 776, 791, 904, 970, 1028, 1130, 1285, 1358, 1582, 1799, 1940, 2056, 2260, 2570, 2716, 3164, 3395, 3598, 3880, 3955, 4520, 5140, 5432, 6328, 6790, 7196, 7910, 8995, 10280, 10961, 13580, 14392, 15820, 17990, 21922, 24929, 27160, 29041, 31640, 35980, 43844, 49858, 54805, 58082, 71960, 76727, 87688, 99716, 109610, 116164, 124645, 145205, 153454, 174503, 199432, 203287, 219220, 232328, 249290, 290410, 306908, 349006, 383635, 406574, 438440, 498580, 580820, 613816, 698012, 767270, 813148, 872515, 997160, 1016435, 1161640, 1396024, 1534540, 1626296, 1745030, 2032870, 2816977, 3069080, 3490060, 4065740, 5633954, 6980120, 8131480, 11267908, 14084885, 19718839, 22535816, 28169770, 39437678, 56339540, 78875356, 98594195, 112679080, 157750712, 197188390, 394376780, 788753560]

約数ペア:

[(1, 788753560), (2, 394376780), (4, 197188390), (5, 157750712), (7, 112679080), (8, 98594195), (10, 78875356), (14, 56339540), (20, 39437678), (28, 28169770), (35, 22535816), (40, 19718839), (56, 14084885), (70, 11267908), (97, 8131480), (113, 6980120), (140, 5633954), (194, 4065740), (226, 3490060), (257, 3069080), (280, 2816977), (388, 2032870), (452, 1745030), (485, 1626296), (514, 1534540), (565, 1396024), (679, 1161640), (776, 1016435), (791, 997160), (904, 872515), (970, 813148), (1028, 767270), (1130, 698012), (1285, 613816), (1358, 580820), (1582, 498580), (1799, 438440), (1940, 406574), (2056, 383635), (2260, 349006), (2570, 306908), (2716, 290410), (3164, 249290), (3395, 232328), (3598, 219220), (3880, 203287), (3955, 199432), (4520, 174503), (5140, 153454), (5432, 145205), (6328, 124645), (6790, 116164), (7196, 109610), (7910, 99716), (8995, 87688), (10280, 76727), (10961, 71960), (13580, 58082), (14392, 54805), (15820, 49858), (17990, 43844), (21922, 35980), (24929, 31640), (27160, 29041)]