2028030865

素因数分解:

$5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:287

約数の個数: 96

約数和(自身を含む): 3099078144

約数和(自身を除く): 1071047279

約数列:

[1, 5, 7, 23, 35, 37, 49, 71, 115, 137, 161, 185, 245, 259, 355, 497, 685, 805, 851, 959, 1127, 1295, 1633, 1813, 2485, 2627, 3151, 3479, 4255, 4795, 5069, 5635, 5957, 6713, 8165, 9065, 9727, 11431, 13135, 15755, 17395, 18389, 22057, 25345, 29785, 33565, 35483, 41699, 48635, 57155, 60421, 68089, 80017, 91945, 110285, 116587, 128723, 154399, 177415, 208495, 223721, 248381, 302105, 340445, 359899, 400085, 422947, 476623, 582935, 643615, 771995, 816109, 1118605, 1241905, 1566047, 1799495, 2114735, 2383115, 2519293, 2960629, 4080545, 5712763, 7830235, 8277677, 10962329, 12596465, 14803145, 17635051, 28563815, 41388385, 54811645, 57943739, 88175255, 289718695, 405606173, 2028030865]

約数ペア:

[(1, 2028030865), (5, 405606173), (7, 289718695), (23, 88175255), (35, 57943739), (37, 54811645), (49, 41388385), (71, 28563815), (115, 17635051), (137, 14803145), (161, 12596465), (185, 10962329), (245, 8277677), (259, 7830235), (355, 5712763), (497, 4080545), (685, 2960629), (805, 2519293), (851, 2383115), (959, 2114735), (1127, 1799495), (1295, 1566047), (1633, 1241905), (1813, 1118605), (2485, 816109), (2627, 771995), (3151, 643615), (3479, 582935), (4255, 476623), (4795, 422947), (5069, 400085), (5635, 359899), (5957, 340445), (6713, 302105), (8165, 248381), (9065, 223721), (9727, 208495), (11431, 177415), (13135, 154399), (15755, 128723), (17395, 116587), (18389, 110285), (22057, 91945), (25345, 80017), (29785, 68089), (33565, 60421), (35483, 57155), (41699, 48635)]