1236697990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{2689}}^1$

素因数の和:2857

約数の個数: 64

約数和(自身を含む): 2517065280

約数和(自身を除く): 1280367290

約数列:

[1, 2, 5, 10, 11, 22, 37, 55, 74, 110, 113, 185, 226, 370, 407, 565, 814, 1130, 1243, 2035, 2486, 2689, 4070, 4181, 5378, 6215, 8362, 12430, 13445, 20905, 26890, 29579, 41810, 45991, 59158, 91982, 99493, 147895, 198986, 229955, 295790, 303857, 459910, 497465, 607714, 994930, 1094423, 1519285, 2188846, 3038570, 3342427, 5472115, 6684854, 10944230, 11242709, 16712135, 22485418, 33424270, 56213545, 112427090, 123669799, 247339598, 618348995, 1236697990]

約数ペア:

[(1, 1236697990), (2, 618348995), (5, 247339598), (10, 123669799), (11, 112427090), (22, 56213545), (37, 33424270), (55, 22485418), (74, 16712135), (110, 11242709), (113, 10944230), (185, 6684854), (226, 5472115), (370, 3342427), (407, 3038570), (565, 2188846), (814, 1519285), (1130, 1094423), (1243, 994930), (2035, 607714), (2486, 497465), (2689, 459910), (4070, 303857), (4181, 295790), (5378, 229955), (6215, 198986), (8362, 147895), (12430, 99493), (13445, 91982), (20905, 59158), (26890, 45991), (29579, 41810)]