245017552

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:181

約数の個数: 120

約数和(自身を含む): 551869440

約数和(自身を除く): 306851888

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 37, 52, 62, 74, 79, 104, 124, 148, 158, 169, 208, 248, 296, 316, 338, 403, 481, 496, 592, 632, 676, 806, 962, 1027, 1147, 1264, 1352, 1612, 1924, 2054, 2294, 2449, 2704, 2923, 3224, 3848, 4108, 4588, 4898, 5239, 5846, 6253, 6448, 7696, 8216, 9176, 9796, 10478, 11692, 12506, 13351, 14911, 16432, 18352, 19592, 20956, 23384, 25012, 26702, 29822, 31837, 37999, 39184, 41912, 46768, 50024, 53404, 59644, 63674, 75998, 83824, 90613, 100048, 106808, 119288, 127348, 151996, 181226, 193843, 213616, 238576, 254696, 303992, 362452, 387686, 413881, 493987, 509392, 607984, 724904, 775372, 827762, 987974, 1177969, 1449808, 1550744, 1655524, 1975948, 2355938, 3101488, 3311048, 3951896, 4711876, 6622096, 7903792, 9423752, 15313597, 18847504, 30627194, 61254388, 122508776, 245017552]

約数ペア:

[(1, 245017552), (2, 122508776), (4, 61254388), (8, 30627194), (13, 18847504), (16, 15313597), (26, 9423752), (31, 7903792), (37, 6622096), (52, 4711876), (62, 3951896), (74, 3311048), (79, 3101488), (104, 2355938), (124, 1975948), (148, 1655524), (158, 1550744), (169, 1449808), (208, 1177969), (248, 987974), (296, 827762), (316, 775372), (338, 724904), (403, 607984), (481, 509392), (496, 493987), (592, 413881), (632, 387686), (676, 362452), (806, 303992), (962, 254696), (1027, 238576), (1147, 213616), (1264, 193843), (1352, 181226), (1612, 151996), (1924, 127348), (2054, 119288), (2294, 106808), (2449, 100048), (2704, 90613), (2923, 83824), (3224, 75998), (3848, 63674), (4108, 59644), (4588, 53404), (4898, 50024), (5239, 46768), (5846, 41912), (6253, 39184), (6448, 37999), (7696, 31837), (8216, 29822), (9176, 26702), (9796, 25012), (10478, 23384), (11692, 20956), (12506, 19592), (13351, 18352), (14911, 16432)]