2198570

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:131

約数の個数: 48

約数和(自身を含む): 4596480

約数和(自身を除く): 2397910

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 79, 110, 115, 121, 158, 230, 242, 253, 395, 506, 605, 790, 869, 1210, 1265, 1738, 1817, 2530, 2783, 3634, 4345, 5566, 8690, 9085, 9559, 13915, 18170, 19118, 19987, 27830, 39974, 47795, 95590, 99935, 199870, 219857, 439714, 1099285, 2198570]

約数ペア:

[(1, 2198570), (2, 1099285), (5, 439714), (10, 219857), (11, 199870), (22, 99935), (23, 95590), (46, 47795), (55, 39974), (79, 27830), (110, 19987), (115, 19118), (121, 18170), (158, 13915), (230, 9559), (242, 9085), (253, 8690), (395, 5566), (506, 4345), (605, 3634), (790, 2783), (869, 2530), (1210, 1817), (1265, 1738)]