277339888

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{151}}^1$

素因数の和:243

約数の個数: 120

約数和(自身を含む): 667068416

約数和(自身を除く): 389728528

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 31, 46, 56, 62, 92, 112, 124, 151, 161, 184, 217, 248, 302, 322, 368, 434, 496, 529, 604, 644, 713, 868, 1057, 1058, 1208, 1288, 1426, 1736, 2114, 2116, 2416, 2576, 2852, 3472, 3473, 3703, 4228, 4232, 4681, 4991, 5704, 6946, 7406, 8456, 8464, 9362, 9982, 11408, 13892, 14812, 16399, 16912, 18724, 19964, 24311, 27784, 29624, 32767, 32798, 37448, 39928, 48622, 55568, 59248, 65534, 65596, 74896, 79856, 79879, 97244, 107663, 114793, 131068, 131192, 159758, 194488, 215326, 229586, 262136, 262384, 319516, 388976, 430652, 459172, 524272, 559153, 639032, 753641, 861304, 918344, 1118306, 1278064, 1507282, 1722608, 1836688, 2236612, 2476249, 3014564, 4473224, 4952498, 6029128, 8946448, 9904996, 12058256, 17333743, 19809992, 34667486, 39619984, 69334972, 138669944, 277339888]

約数ペア:

[(1, 277339888), (2, 138669944), (4, 69334972), (7, 39619984), (8, 34667486), (14, 19809992), (16, 17333743), (23, 12058256), (28, 9904996), (31, 8946448), (46, 6029128), (56, 4952498), (62, 4473224), (92, 3014564), (112, 2476249), (124, 2236612), (151, 1836688), (161, 1722608), (184, 1507282), (217, 1278064), (248, 1118306), (302, 918344), (322, 861304), (368, 753641), (434, 639032), (496, 559153), (529, 524272), (604, 459172), (644, 430652), (713, 388976), (868, 319516), (1057, 262384), (1058, 262136), (1208, 229586), (1288, 215326), (1426, 194488), (1736, 159758), (2114, 131192), (2116, 131068), (2416, 114793), (2576, 107663), (2852, 97244), (3472, 79879), (3473, 79856), (3703, 74896), (4228, 65596), (4232, 65534), (4681, 59248), (4991, 55568), (5704, 48622), (6946, 39928), (7406, 37448), (8456, 32798), (8464, 32767), (9362, 29624), (9982, 27784), (11408, 24311), (13892, 19964), (14812, 18724), (16399, 16912)]