278345210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{194647}}^1$

素因数の和:194678

約数の個数: 32

約数和(自身を含む): 588615552

約数和(自身を除く): 310270342

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 194647, 389294, 973235, 1946470, 2141117, 2530411, 4282234, 5060822, 10705585, 12652055, 21411170, 25304110, 27834521, 55669042, 139172605, 278345210]

約数ペア:

[(1, 278345210), (2, 139172605), (5, 55669042), (10, 27834521), (11, 25304110), (13, 21411170), (22, 12652055), (26, 10705585), (55, 5060822), (65, 4282234), (110, 2530411), (130, 2141117), (143, 1946470), (286, 973235), (715, 389294), (1430, 194647)]