890339840

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{863}}^1$

素因数の和:930

約数の個数: 160

約数和(自身を含む): 2375847936

約数和(自身を除く): 1485508096

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 128, 130, 155, 160, 208, 248, 256, 260, 310, 320, 403, 416, 496, 512, 520, 620, 640, 806, 832, 863, 992, 1040, 1240, 1280, 1612, 1664, 1726, 1984, 2015, 2080, 2480, 2560, 3224, 3328, 3452, 3968, 4030, 4160, 4315, 4960, 6448, 6656, 6904, 7936, 8060, 8320, 8630, 9920, 11219, 12896, 13808, 15872, 16120, 16640, 17260, 19840, 22438, 25792, 26753, 27616, 32240, 33280, 34520, 39680, 44876, 51584, 53506, 55232, 56095, 64480, 69040, 79360, 89752, 103168, 107012, 110464, 112190, 128960, 133765, 138080, 179504, 206336, 214024, 220928, 224380, 257920, 267530, 276160, 347789, 359008, 428048, 441856, 448760, 515840, 535060, 552320, 695578, 718016, 856096, 897520, 1031680, 1070120, 1104640, 1391156, 1436032, 1712192, 1738945, 1795040, 2140240, 2209280, 2782312, 2872064, 3424384, 3477890, 3590080, 4280480, 5564624, 5744128, 6848768, 6955780, 7180160, 8560960, 11129248, 13697536, 13911560, 14360320, 17121920, 22258496, 27823120, 28720640, 34243840, 44516992, 55646240, 68487680, 89033984, 111292480, 178067968, 222584960, 445169920, 890339840]

約数ペア:

[(1, 890339840), (2, 445169920), (4, 222584960), (5, 178067968), (8, 111292480), (10, 89033984), (13, 68487680), (16, 55646240), (20, 44516992), (26, 34243840), (31, 28720640), (32, 27823120), (40, 22258496), (52, 17121920), (62, 14360320), (64, 13911560), (65, 13697536), (80, 11129248), (104, 8560960), (124, 7180160), (128, 6955780), (130, 6848768), (155, 5744128), (160, 5564624), (208, 4280480), (248, 3590080), (256, 3477890), (260, 3424384), (310, 2872064), (320, 2782312), (403, 2209280), (416, 2140240), (496, 1795040), (512, 1738945), (520, 1712192), (620, 1436032), (640, 1391156), (806, 1104640), (832, 1070120), (863, 1031680), (992, 897520), (1040, 856096), (1240, 718016), (1280, 695578), (1612, 552320), (1664, 535060), (1726, 515840), (1984, 448760), (2015, 441856), (2080, 428048), (2480, 359008), (2560, 347789), (3224, 276160), (3328, 267530), (3452, 257920), (3968, 224380), (4030, 220928), (4160, 214024), (4315, 206336), (4960, 179504), (6448, 138080), (6656, 133765), (6904, 128960), (7936, 112190), (8060, 110464), (8320, 107012), (8630, 103168), (9920, 89752), (11219, 79360), (12896, 69040), (13808, 64480), (15872, 56095), (16120, 55232), (16640, 53506), (17260, 51584), (19840, 44876), (22438, 39680), (25792, 34520), (26753, 33280), (27616, 32240)]