140091728

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{257}}^1$

素因数の和:460

約数の個数: 80

約数和(自身を含む): 323503104

約数和(自身を除く): 183411376

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 157, 217, 248, 257, 314, 434, 496, 514, 628, 868, 1028, 1099, 1256, 1736, 1799, 2056, 2198, 2512, 3472, 3598, 4112, 4396, 4867, 7196, 7967, 8792, 9734, 14392, 15934, 17584, 19468, 28784, 31868, 34069, 38936, 40349, 55769, 63736, 68138, 77872, 80698, 111538, 127472, 136276, 161396, 223076, 272552, 282443, 322792, 446152, 545104, 564886, 645584, 892304, 1129772, 1250819, 2259544, 2501638, 4519088, 5003276, 8755733, 10006552, 17511466, 20013104, 35022932, 70045864, 140091728]

約数ペア:

[(1, 140091728), (2, 70045864), (4, 35022932), (7, 20013104), (8, 17511466), (14, 10006552), (16, 8755733), (28, 5003276), (31, 4519088), (56, 2501638), (62, 2259544), (112, 1250819), (124, 1129772), (157, 892304), (217, 645584), (248, 564886), (257, 545104), (314, 446152), (434, 322792), (496, 282443), (514, 272552), (628, 223076), (868, 161396), (1028, 136276), (1099, 127472), (1256, 111538), (1736, 80698), (1799, 77872), (2056, 68138), (2198, 63736), (2512, 55769), (3472, 40349), (3598, 38936), (4112, 34069), (4396, 31868), (4867, 28784), (7196, 19468), (7967, 17584), (8792, 15934), (9734, 14392)]