259375480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71257}}^1$

素因数の和:71288

約数の個数: 64

約数和(自身を含む): 718280640

約数和(自身を除く): 458905160

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 71257, 142514, 285028, 356285, 498799, 570056, 712570, 926341, 997598, 1425140, 1852682, 1995196, 2493995, 2850280, 3705364, 3990392, 4631705, 4987990, 6484387, 7410728, 9263410, 9975980, 12968774, 18526820, 19951960, 25937548, 32421935, 37053640, 51875096, 64843870, 129687740, 259375480]

約数ペア:

[(1, 259375480), (2, 129687740), (4, 64843870), (5, 51875096), (7, 37053640), (8, 32421935), (10, 25937548), (13, 19951960), (14, 18526820), (20, 12968774), (26, 9975980), (28, 9263410), (35, 7410728), (40, 6484387), (52, 4987990), (56, 4631705), (65, 3990392), (70, 3705364), (91, 2850280), (104, 2493995), (130, 1995196), (140, 1852682), (182, 1425140), (260, 997598), (280, 926341), (364, 712570), (455, 570056), (520, 498799), (728, 356285), (910, 285028), (1820, 142514), (3640, 71257)]