1900397765

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{1483}}^1$

素因数の和:1602

約数の個数: 64

約数和(自身を含む): 2872074240

約数和(自身を除く): 971676475

約数列:

[1, 5, 7, 19, 35, 41, 47, 95, 133, 205, 235, 287, 329, 665, 779, 893, 1435, 1483, 1645, 1927, 3895, 4465, 5453, 6251, 7415, 9635, 10381, 13489, 27265, 28177, 31255, 36613, 51905, 60803, 67445, 69701, 140885, 183065, 197239, 256291, 304015, 348505, 425621, 487907, 986195, 1155257, 1281455, 1324319, 2128105, 2439535, 2857741, 5776285, 6621595, 8086799, 9270233, 14288705, 20004187, 40433995, 46351165, 54297079, 100020935, 271485395, 380079553, 1900397765]

約数ペア:

[(1, 1900397765), (5, 380079553), (7, 271485395), (19, 100020935), (35, 54297079), (41, 46351165), (47, 40433995), (95, 20004187), (133, 14288705), (205, 9270233), (235, 8086799), (287, 6621595), (329, 5776285), (665, 2857741), (779, 2439535), (893, 2128105), (1435, 1324319), (1483, 1281455), (1645, 1155257), (1927, 986195), (3895, 487907), (4465, 425621), (5453, 348505), (6251, 304015), (7415, 256291), (9635, 197239), (10381, 183065), (13489, 140885), (27265, 69701), (28177, 67445), (31255, 60803), (36613, 51905)]