285416708

素因数分解:

$2^2\times {\mathrm{19}}^3\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:265

約数の個数: 48

約数和(自身を含む): 537613440

約数和(自身を除く): 252196732

約数列:

[1, 2, 4, 19, 38, 76, 101, 103, 202, 206, 361, 404, 412, 722, 1444, 1919, 1957, 3838, 3914, 6859, 7676, 7828, 10403, 13718, 20806, 27436, 36461, 37183, 41612, 72922, 74366, 145844, 148732, 197657, 395314, 692759, 706477, 790628, 1385518, 1412954, 2771036, 2825908, 3755483, 7510966, 15021932, 71354177, 142708354, 285416708]

約数ペア:

[(1, 285416708), (2, 142708354), (4, 71354177), (19, 15021932), (38, 7510966), (76, 3755483), (101, 2825908), (103, 2771036), (202, 1412954), (206, 1385518), (361, 790628), (404, 706477), (412, 692759), (722, 395314), (1444, 197657), (1919, 148732), (1957, 145844), (3838, 74366), (3914, 72922), (6859, 41612), (7676, 37183), (7828, 36461), (10403, 27436), (13718, 20806)]