206487890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{71947}}^1$

素因数の和:72002

約数の個数: 32

約数和(自身を含む): 435141504

約数和(自身を除く): 228653614

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 70, 82, 205, 287, 410, 574, 1435, 2870, 71947, 143894, 359735, 503629, 719470, 1007258, 2518145, 2949827, 5036290, 5899654, 14749135, 20648789, 29498270, 41297578, 103243945, 206487890]

約数ペア:

[(1, 206487890), (2, 103243945), (5, 41297578), (7, 29498270), (10, 20648789), (14, 14749135), (35, 5899654), (41, 5036290), (70, 2949827), (82, 2518145), (205, 1007258), (287, 719470), (410, 503629), (574, 359735), (1435, 143894), (2870, 71947)]