139640368

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1087}}^1$

素因数の和:1170

約数の個数: 80

約数和(自身を含む): 328105984

約数和(自身を除く): 188465616

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 37, 56, 62, 74, 112, 124, 148, 217, 248, 259, 296, 434, 496, 518, 592, 868, 1036, 1087, 1147, 1736, 2072, 2174, 2294, 3472, 4144, 4348, 4588, 7609, 8029, 8696, 9176, 15218, 16058, 17392, 18352, 30436, 32116, 33697, 40219, 60872, 64232, 67394, 80438, 121744, 128464, 134788, 160876, 235879, 269576, 281533, 321752, 471758, 539152, 563066, 643504, 943516, 1126132, 1246789, 1887032, 2252264, 2493578, 3774064, 4504528, 4987156, 8727523, 9974312, 17455046, 19948624, 34910092, 69820184, 139640368]

約数ペア:

[(1, 139640368), (2, 69820184), (4, 34910092), (7, 19948624), (8, 17455046), (14, 9974312), (16, 8727523), (28, 4987156), (31, 4504528), (37, 3774064), (56, 2493578), (62, 2252264), (74, 1887032), (112, 1246789), (124, 1126132), (148, 943516), (217, 643504), (248, 563066), (259, 539152), (296, 471758), (434, 321752), (496, 281533), (518, 269576), (592, 235879), (868, 160876), (1036, 134788), (1087, 128464), (1147, 121744), (1736, 80438), (2072, 67394), (2174, 64232), (2294, 60872), (3472, 40219), (4144, 33697), (4348, 32116), (4588, 30436), (7609, 18352), (8029, 17392), (8696, 16058), (9176, 15218)]