28426770

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1229}}^1$

素因数の和:1499

約数の個数: 48

約数和(自身を含む): 74257560

約数和(自身を除く): 45830790

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 257, 514, 771, 1229, 1285, 1542, 2313, 2458, 2570, 3687, 3855, 4626, 6145, 7374, 7710, 11061, 11565, 12290, 18435, 22122, 23130, 36870, 55305, 110610, 315853, 631706, 947559, 1579265, 1895118, 2842677, 3158530, 4737795, 5685354, 9475590, 14213385, 28426770]

約数ペア:

[(1, 28426770), (2, 14213385), (3, 9475590), (5, 5685354), (6, 4737795), (9, 3158530), (10, 2842677), (15, 1895118), (18, 1579265), (30, 947559), (45, 631706), (90, 315853), (257, 110610), (514, 55305), (771, 36870), (1229, 23130), (1285, 22122), (1542, 18435), (2313, 12290), (2458, 11565), (2570, 11061), (3687, 7710), (3855, 7374), (4626, 6145)]