538443280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{7537}}^1$

素因数の和:7616

約数の個数: 80

約数和(自身を含む): 1345985280

約数和(自身を除く): 807542000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 47, 76, 80, 94, 95, 152, 188, 190, 235, 304, 376, 380, 470, 752, 760, 893, 940, 1520, 1786, 1880, 3572, 3760, 4465, 7144, 7537, 8930, 14288, 15074, 17860, 30148, 35720, 37685, 60296, 71440, 75370, 120592, 143203, 150740, 286406, 301480, 354239, 572812, 602960, 708478, 716015, 1145624, 1416956, 1432030, 1771195, 2291248, 2833912, 2864060, 3542390, 5667824, 5728120, 6730541, 7084780, 11456240, 13461082, 14169560, 26922164, 28339120, 33652705, 53844328, 67305410, 107688656, 134610820, 269221640, 538443280]

約数ペア:

[(1, 538443280), (2, 269221640), (4, 134610820), (5, 107688656), (8, 67305410), (10, 53844328), (16, 33652705), (19, 28339120), (20, 26922164), (38, 14169560), (40, 13461082), (47, 11456240), (76, 7084780), (80, 6730541), (94, 5728120), (95, 5667824), (152, 3542390), (188, 2864060), (190, 2833912), (235, 2291248), (304, 1771195), (376, 1432030), (380, 1416956), (470, 1145624), (752, 716015), (760, 708478), (893, 602960), (940, 572812), (1520, 354239), (1786, 301480), (1880, 286406), (3572, 150740), (3760, 143203), (4465, 120592), (7144, 75370), (7537, 71440), (8930, 60296), (14288, 37685), (15074, 35720), (17860, 30148)]