2128851865

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{1871}}^1$

素因数の和:1990

約数の個数: 64

約数和(自身を含む): 3234816000

約数和(自身を除く): 1105964135

約数列:

[1, 5, 7, 19, 29, 35, 59, 95, 133, 145, 203, 295, 413, 551, 665, 1015, 1121, 1711, 1871, 2065, 2755, 3857, 5605, 7847, 8555, 9355, 11977, 13097, 19285, 32509, 35549, 39235, 54259, 59885, 65485, 110389, 162545, 177745, 227563, 248843, 271295, 379813, 551945, 772723, 1030921, 1137815, 1244215, 1899065, 2097391, 3201281, 3863615, 5154605, 7216447, 10486955, 14681737, 16006405, 22408967, 36082235, 60824339, 73408685, 112044835, 304121695, 425770373, 2128851865]

約数ペア:

[(1, 2128851865), (5, 425770373), (7, 304121695), (19, 112044835), (29, 73408685), (35, 60824339), (59, 36082235), (95, 22408967), (133, 16006405), (145, 14681737), (203, 10486955), (295, 7216447), (413, 5154605), (551, 3863615), (665, 3201281), (1015, 2097391), (1121, 1899065), (1711, 1244215), (1871, 1137815), (2065, 1030921), (2755, 772723), (3857, 551945), (5605, 379813), (7847, 271295), (8555, 248843), (9355, 227563), (11977, 177745), (13097, 162545), (19285, 110389), (32509, 65485), (35549, 59885), (39235, 54259)]