213038420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{66161}}^1$

素因数の和:66200

約数の個数: 48

約数和(自身を含む): 533530368

約数和(自身を除く): 320491948

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 66161, 132322, 264644, 330805, 463127, 661610, 926254, 1323220, 1521703, 1852508, 2315635, 3043406, 4631270, 6086812, 7608515, 9262540, 10651921, 15217030, 21303842, 30434060, 42607684, 53259605, 106519210, 213038420]

約数ペア:

[(1, 213038420), (2, 106519210), (4, 53259605), (5, 42607684), (7, 30434060), (10, 21303842), (14, 15217030), (20, 10651921), (23, 9262540), (28, 7608515), (35, 6086812), (46, 4631270), (70, 3043406), (92, 2315635), (115, 1852508), (140, 1521703), (161, 1323220), (230, 926254), (322, 661610), (460, 463127), (644, 330805), (805, 264644), (1610, 132322), (3220, 66161)]