221739070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{77261}}^1$

素因数の和:77316

約数の個数: 32

約数和(自身を含む): 467280576

約数和(自身を除く): 245541506

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 70, 82, 205, 287, 410, 574, 1435, 2870, 77261, 154522, 386305, 540827, 772610, 1081654, 2704135, 3167701, 5408270, 6335402, 15838505, 22173907, 31677010, 44347814, 110869535, 221739070]

約数ペア:

[(1, 221739070), (2, 110869535), (5, 44347814), (7, 31677010), (10, 22173907), (14, 15838505), (35, 6335402), (41, 5408270), (70, 3167701), (82, 2704135), (205, 1081654), (287, 772610), (410, 540827), (574, 386305), (1435, 154522), (2870, 77261)]