720248656

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{139367}}^1$

素因数の和:139411

約数の個数: 40

約数和(自身を含む): 1555346880

約数和(自身を除く): 835098224

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 68, 76, 136, 152, 272, 304, 323, 646, 1292, 2584, 5168, 139367, 278734, 557468, 1114936, 2229872, 2369239, 2647973, 4738478, 5295946, 9476956, 10591892, 18953912, 21183784, 37907824, 42367568, 45015541, 90031082, 180062164, 360124328, 720248656]

約数ペア:

[(1, 720248656), (2, 360124328), (4, 180062164), (8, 90031082), (16, 45015541), (17, 42367568), (19, 37907824), (34, 21183784), (38, 18953912), (68, 10591892), (76, 9476956), (136, 5295946), (152, 4738478), (272, 2647973), (304, 2369239), (323, 2229872), (646, 1114936), (1292, 557468), (2584, 278734), (5168, 139367)]