28141090

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{4003}}^1$

素因数の和:4066

約数の個数: 32

約数和(自身を含む): 54774720

約数和(自身を除く): 26633630

約数列:

[1, 2, 5, 10, 19, 37, 38, 74, 95, 185, 190, 370, 703, 1406, 3515, 4003, 7030, 8006, 20015, 40030, 76057, 148111, 152114, 296222, 380285, 740555, 760570, 1481110, 2814109, 5628218, 14070545, 28141090]

約数ペア:

[(1, 28141090), (2, 14070545), (5, 5628218), (10, 2814109), (19, 1481110), (37, 760570), (38, 740555), (74, 380285), (95, 296222), (185, 152114), (190, 148111), (370, 76057), (703, 40030), (1406, 20015), (3515, 8006), (4003, 7030)]