2013329875

素因数分解:

$5^3\times {\mathrm{31}}^1\times {\mathrm{43}}^2\times {\mathrm{281}}^1$

素因数の和:413

約数の個数: 48

約数和(自身を含む): 2664859392

約数和(自身を除く): 651529517

約数列:

[1, 5, 25, 31, 43, 125, 155, 215, 281, 775, 1075, 1333, 1405, 1849, 3875, 5375, 6665, 7025, 8711, 9245, 12083, 33325, 35125, 43555, 46225, 57319, 60415, 166625, 217775, 231125, 286595, 302075, 374573, 519569, 1088875, 1432975, 1510375, 1872865, 2597845, 7164875, 9364325, 12989225, 16106639, 46821625, 64946125, 80533195, 402665975, 2013329875]

約数ペア:

[(1, 2013329875), (5, 402665975), (25, 80533195), (31, 64946125), (43, 46821625), (125, 16106639), (155, 12989225), (215, 9364325), (281, 7164875), (775, 2597845), (1075, 1872865), (1333, 1510375), (1405, 1432975), (1849, 1088875), (3875, 519569), (5375, 374573), (6665, 302075), (7025, 286595), (8711, 231125), (9245, 217775), (12083, 166625), (33325, 60415), (35125, 57319), (43555, 46225)]