189499280

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1777}}^1$

素因数の和:1864

約数の個数: 80

約数和(自身を含む): 465636864

約数和(自身を除く): 276137584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 43, 62, 80, 86, 124, 155, 172, 215, 248, 310, 344, 430, 496, 620, 688, 860, 1240, 1333, 1720, 1777, 2480, 2666, 3440, 3554, 5332, 6665, 7108, 8885, 10664, 13330, 14216, 17770, 21328, 26660, 28432, 35540, 53320, 55087, 71080, 76411, 106640, 110174, 142160, 152822, 220348, 275435, 305644, 382055, 440696, 550870, 611288, 764110, 881392, 1101740, 1222576, 1528220, 2203480, 2368741, 3056440, 4406960, 4737482, 6112880, 9474964, 11843705, 18949928, 23687410, 37899856, 47374820, 94749640, 189499280]

約数ペア:

[(1, 189499280), (2, 94749640), (4, 47374820), (5, 37899856), (8, 23687410), (10, 18949928), (16, 11843705), (20, 9474964), (31, 6112880), (40, 4737482), (43, 4406960), (62, 3056440), (80, 2368741), (86, 2203480), (124, 1528220), (155, 1222576), (172, 1101740), (215, 881392), (248, 764110), (310, 611288), (344, 550870), (430, 440696), (496, 382055), (620, 305644), (688, 275435), (860, 220348), (1240, 152822), (1333, 142160), (1720, 110174), (1777, 106640), (2480, 76411), (2666, 71080), (3440, 55087), (3554, 53320), (5332, 35540), (6665, 28432), (7108, 26660), (8885, 21328), (10664, 17770), (13330, 14216)]