249986960

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{277}}^1\times {\mathrm{389}}^1$

素因数の和:708

約数の個数: 80

約数和(自身を含む): 604983600

約数和(自身を除く): 354996640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 277, 290, 389, 464, 554, 580, 778, 1108, 1160, 1385, 1556, 1945, 2216, 2320, 2770, 3112, 3890, 4432, 5540, 6224, 7780, 8033, 11080, 11281, 15560, 16066, 22160, 22562, 31120, 32132, 40165, 45124, 56405, 64264, 80330, 90248, 107753, 112810, 128528, 160660, 180496, 215506, 225620, 321320, 431012, 451240, 538765, 642640, 862024, 902480, 1077530, 1724048, 2155060, 3124837, 4310120, 6249674, 8620240, 12499348, 15624185, 24998696, 31248370, 49997392, 62496740, 124993480, 249986960]

約数ペア:

[(1, 249986960), (2, 124993480), (4, 62496740), (5, 49997392), (8, 31248370), (10, 24998696), (16, 15624185), (20, 12499348), (29, 8620240), (40, 6249674), (58, 4310120), (80, 3124837), (116, 2155060), (145, 1724048), (232, 1077530), (277, 902480), (290, 862024), (389, 642640), (464, 538765), (554, 451240), (580, 431012), (778, 321320), (1108, 225620), (1160, 215506), (1385, 180496), (1556, 160660), (1945, 128528), (2216, 112810), (2320, 107753), (2770, 90248), (3112, 80330), (3890, 64264), (4432, 56405), (5540, 45124), (6224, 40165), (7780, 32132), (8033, 31120), (11080, 22562), (11281, 22160), (15560, 16066)]